Config reference should always use default values (#549)

* Config reference should always use default values

* Cut down proliferation of conventions in config reference

.github/FUNDING.yml

@@ -1,3 +0,0 @@
-github: offen
-patreon: offen
-

.github/workflows/deploy-docs.yml

@@ -39,7 +39,7 @@ jobs:
         env:
           JEKYLL_ENV: production
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@v3
         with:
           path: 'docs/_site/'
 
@@ -52,4 +52,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4

.github/workflows/golangci-lint.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.22'
+          go-version: '1.24'
           cache: false
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
@@ -26,7 +26,7 @@ jobs:
           # Require: The version of golangci-lint to use.
           # When `install-mode` is `binary` (default) the value can be v1.2 or v1.2.3 or `latest` to use the latest version.
           # When `install-mode` is `goinstall` the value can be v1.2.3, `latest`, or the hash of a commit.
-          version: v1.57
+          version: v1.64
 
           # Optional: working directory, useful for monorepos
           # working-directory: somedir

.github/workflows/unit.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.22.x'
+          go-version: '1.24.x'
       - name: Install dependencies
         run: go mod download
       - name: Test with the Go CLI

.golangci.yml

@@ -5,4 +5,5 @@ linters:
     - staticcheck
     - govet
 output:
-  format: github-actions
+  formats:
+    - format: colored-line-number

Dockerfile

@@ -1,7 +1,7 @@
 # Copyright 2022 - offen.software <hioffen@posteo.de>
 # SPDX-License-Identifier: MPL-2.0
 
-FROM golang:1.22-alpine as builder
+FROM golang:1.24-alpine AS builder
 
 WORKDIR /app
 COPY . .
@@ -9,7 +9,7 @@ RUN go mod download
 WORKDIR /app/cmd/backup
 RUN go build -o backup .
 
-FROM alpine:3.20
+FROM alpine:3.21
 
 WORKDIR /root
 

README.md

@@ -76,7 +76,7 @@ docker run --rm \
   offen/docker-volume-backup:v2
 ```
 
-Alternatively, pass a `--env-file` in order to use a full config as described below.
+Alternatively, pass a `--env-file` in order to use a full config as described [in the docs](https://offen.github.io/docker-volume-backup/reference/).
 
 ---
 

cmd/backup/command.go

@@ -36,9 +36,6 @@ func (c *command) runAsCommand() error {
 	}
 
 	for _, config := range configurations {
-		if err := config.validate(); err != nil {
-			return errwrap.Wrap(err, "error validating config")
-		}
 		if err := runScript(config); err != nil {
 			return errwrap.Wrap(err, "error running script")
 		}
@@ -104,12 +101,6 @@ func (c *command) schedule(strategy configStrategy) error {
 	}
 
 	for _, cfg := range configurations {
-		if err := cfg.validate(); err != nil {
-			return errwrap.Wrap(
-				err,
-				fmt.Sprintf("error validating config for schedule %s", cfg.BackupCronExpression),
-			)
-		}
 		config := cfg
 		id, err := c.cr.AddFunc(config.BackupCronExpression, func() {
 			c.logger.Info(

cmd/backup/config.go

@@ -12,7 +12,6 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob/blob"
 	"github.com/offen/docker-volume-backup/internal/errwrap"
 )
 
@@ -49,6 +48,8 @@ type Config struct {
 	BackupSkipBackendsFromPrune   []string        `split_words:"true"`
 	GpgPassphrase                 string          `split_words:"true"`
 	GpgPublicKeyRing              string          `split_words:"true"`
+	AgePassphrase                 string          `split_words:"true"`
+	AgePublicKeys                 []string        `split_words:"true"`
 	NotificationURLs              []string        `envconfig:"NOTIFICATION_URLS"`
 	NotificationLevel             string          `split_words:"true" default:"error"`
 	EmailNotificationRecipient    string          `split_words:"true"`
@@ -78,7 +79,7 @@ type Config struct {
 	AzureStorageContainerName     string          `split_words:"true"`
 	AzureStoragePath              string          `split_words:"true"`
 	AzureStorageEndpoint          string          `split_words:"true" default:"https://{{ .AccountName }}.blob.core.windows.net/"`
-	AzureStorageAccessTier        AzureStorageAccessTier `split_words:"true"`
+	AzureStorageAccessTier        string          `split_words:"true"`
 	DropboxEndpoint               string          `split_words:"true" default:"https://api.dropbox.com/"`
 	DropboxOAuth2Endpoint         string          `envconfig:"DROPBOX_OAUTH2_ENDPOINT" default:"https://api.dropbox.com/"`
 	DropboxRefreshToken           string          `split_words:"true"`
@@ -90,13 +91,6 @@ type Config struct {
 	additionalEnvVars             map[string]string
 }
 
-func (c *Config) validate() error {
-	if c.AzureStoragePrimaryAccountKey != "" && c.AzureStorageConnectionString != "" {
-		return errwrap.Wrap(nil, "using azure primary account key and connection string are mutually exclusive")
-	}
-	return nil
-}
-
 type CompressionType string
 
 func (c *CompressionType) Decode(v string) error {
@@ -188,30 +182,6 @@ func (n *WholeNumber) Int() int {
 	return int(*n)
 }
 
-type AzureStorageAccessTier string
-
-func (t *AzureStorageAccessTier) Decode(v string) error {
-	if v == "" {
-		*t = ""
-		return nil
-	}
-	for _, a := range blob.PossibleAccessTierValues() {
-		if string(a) == v {
-			*t = AzureStorageAccessTier(v)
-			return nil
-		}
-	}
-	return errwrap.Wrap(nil, fmt.Sprintf("%s is not a possible access tier value", v))
-}
-
-func (t *AzureStorageAccessTier) AccessTier() *blob.AccessTier {
-	if *t == "" {
-		return nil
-	}
-	a := blob.AccessTier(*t)
-	return &a
-}
-
 type envVarLookup struct {
 	ok    bool
 	key   string

cmd/backup/encrypt_archive.go

@@ -10,110 +10,206 @@ import (
 	"io"
 	"os"
 	"path"
+	"strings"
 
+	"filippo.io/age"
+	"filippo.io/age/agessh"
 	"github.com/ProtonMail/go-crypto/openpgp/armor"
 	openpgp "github.com/ProtonMail/go-crypto/openpgp/v2"
 	"github.com/offen/docker-volume-backup/internal/errwrap"
 )
 
-func (s *script) encryptAsymmetrically(outFile *os.File) (io.WriteCloser, func() error, error) {
+func countTrue(b ...bool) int {
-
+	c := int(0)
-	entityList, err := openpgp.ReadArmoredKeyRing(bytes.NewReader([]byte(s.c.GpgPublicKeyRing)))
+	for _, v := range b {
-	if err != nil {
+		if v {
-		return nil, nil, errwrap.Wrap(err, "error parsing armored keyring")
+			c++
 		}
-
-	armoredWriter, err := armor.Encode(outFile, "PGP MESSAGE", nil)
-	if err != nil {
-		return nil, nil, errwrap.Wrap(err, "error preparing encryption")
 	}
-
+	return c
-	_, name := path.Split(s.file)
-	dst, err := openpgp.Encrypt(armoredWriter, entityList, nil, nil, &openpgp.FileHints{
-		FileName: name,
-	}, nil)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	return dst, func() error {
-		if err := dst.Close(); err != nil {
-			return err
-		}
-		return armoredWriter.Close()
-	}, err
-}
-
-func (s *script) encryptSymmetrically(outFile *os.File) (io.WriteCloser, func() error, error) {
-
-	_, name := path.Split(s.file)
-	dst, err := openpgp.SymmetricallyEncrypt(outFile, []byte(s.c.GpgPassphrase), &openpgp.FileHints{
-		FileName: name,
-	}, nil)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	return dst, dst.Close, nil
 }
 
 // encryptArchive encrypts the backup file using PGP and the configured passphrase or publickey(s).
 // In case no passphrase or publickey is given it returns early, leaving the backup file
 // untouched.
 func (s *script) encryptArchive() error {
-
+	useGPGSymmetric := s.c.GpgPassphrase != ""
-	var encrypt func(outFile *os.File) (io.WriteCloser, func() error, error)
+	useGPGAsymmetric := s.c.GpgPublicKeyRing != ""
-	var cleanUpErr error
+	useAgeSymmetric := s.c.AgePassphrase != ""
-
+	useAgeAsymmetric := len(s.c.AgePublicKeys) > 0
-	switch {
+	switch nconfigured := countTrue(
-	case s.c.GpgPassphrase != "" && s.c.GpgPublicKeyRing != "":
+		useGPGSymmetric,
-		return errwrap.Wrap(nil, "error in selecting asymmetric and symmetric encryption methods: conflicting env vars are set")
+		useGPGAsymmetric,
-	case s.c.GpgPassphrase != "":
+		useAgeSymmetric,
-		encrypt = s.encryptSymmetrically
+		useAgeAsymmetric,
-	case s.c.GpgPublicKeyRing != "":
+	); nconfigured {
-		encrypt = s.encryptAsymmetrically
+	case 0:
-	default:
 		return nil
+	case 1:
+		// ok!
+	default:
+		return fmt.Errorf(
+			"error in selecting archive encryption method: expected 0 or 1 to be configured, %d methods are configured",
+			nconfigured,
+		)
 	}
 
-	gpgFile := fmt.Sprintf("%s.gpg", s.file)
+	if useGPGSymmetric {
+		return s.encryptWithGPGSymmetric()
+	} else if useGPGAsymmetric {
+		return s.encryptWithGPGAsymmetric()
+	} else if useAgeSymmetric || useAgeAsymmetric {
+		ar, err := s.getConfiguredAgeRecipients()
+		if err != nil {
+			return errwrap.Wrap(err, "failed to get configured age recipients")
+		}
+		return s.encryptWithAge(ar)
+	}
+	return nil
+}
+
+func (s *script) getConfiguredAgeRecipients() ([]age.Recipient, error) {
+	if s.c.AgePassphrase == "" && len(s.c.AgePublicKeys) == 0 {
+		return nil, fmt.Errorf("no age recipients configured")
+	}
+	recipients := []age.Recipient{}
+	if len(s.c.AgePublicKeys) > 0 {
+		for _, pk := range s.c.AgePublicKeys {
+			pkr, err := parseAgeRecipient(pk)
+			if err != nil {
+				return nil, errwrap.Wrap(err, "failed to parse age public key")
+			}
+			recipients = append(recipients, pkr)
+		}
+	}
+	if s.c.AgePassphrase != "" {
+		if len(recipients) != 0 {
+			return nil, fmt.Errorf("age encryption must only be enabled via passphrase or public key, not both")
+		}
+
+		r, err := age.NewScryptRecipient(s.c.AgePassphrase)
+		if err != nil {
+			return nil, errwrap.Wrap(err, "failed to create scrypt identity from age passphrase")
+		}
+		recipients = append(recipients, r)
+	}
+	return recipients, nil
+}
+
+func parseAgeRecipient(arg string) (age.Recipient, error) {
+	// This logic is adapted from what the age CLI is doing
+	// stripping some special cases
+	switch {
+	case strings.HasPrefix(arg, "age1"):
+		return age.ParseX25519Recipient(arg)
+	case strings.HasPrefix(arg, "ssh-"):
+		return agessh.ParseRecipient(arg)
+	}
+	return nil, fmt.Errorf("unknown recipient type: %q", arg)
+}
+
+func (s *script) encryptWithAge(rec []age.Recipient) error {
+	return s.doEncrypt("age", func(ciphertextWriter io.Writer) (io.WriteCloser, error) {
+		return age.Encrypt(ciphertextWriter, rec...)
+	})
+}
+
+func (s *script) encryptWithGPGSymmetric() error {
+	return s.doEncrypt("gpg", func(ciphertextWriter io.Writer) (io.WriteCloser, error) {
+		_, name := path.Split(s.file)
+		return openpgp.SymmetricallyEncrypt(ciphertextWriter, []byte(s.c.GpgPassphrase), &openpgp.FileHints{
+			FileName: name,
+		}, nil)
+	})
+}
+
+type closeAllWriter struct {
+	io.Writer
+	closers []io.Closer
+}
+
+func (c *closeAllWriter) Close() (err error) {
+	for _, cl := range c.closers {
+		err = errors.Join(err, cl.Close())
+	}
+	return
+}
+
+var _ io.WriteCloser = (*closeAllWriter)(nil)
+
+func (s *script) encryptWithGPGAsymmetric() error {
+	return s.doEncrypt("gpg", func(ciphertextWriter io.Writer) (_ io.WriteCloser, outerr error) {
+		entityList, err := openpgp.ReadArmoredKeyRing(bytes.NewReader([]byte(s.c.GpgPublicKeyRing)))
+		if err != nil {
+			return nil, errwrap.Wrap(err, "error parsing armored keyring")
+		}
+
+		armoredWriter, err := armor.Encode(ciphertextWriter, "PGP MESSAGE", nil)
+		if err != nil {
+			return nil, errwrap.Wrap(err, "error preparing encryption")
+		}
+		defer func() {
+			if outerr != nil {
+				_ = armoredWriter.Close()
+			}
+		}()
+
+		_, name := path.Split(s.file)
+		encWriter, err := openpgp.Encrypt(armoredWriter, entityList, nil, nil, &openpgp.FileHints{
+			FileName: name,
+		}, nil)
+		if err != nil {
+			return nil, err
+		}
+		return &closeAllWriter{
+			Writer:  encWriter,
+			closers: []io.Closer{encWriter, armoredWriter},
+		}, nil
+	})
+}
+
+func (s *script) doEncrypt(
+	extension string,
+	encryptor func(ciphertextWriter io.Writer) (io.WriteCloser, error),
+) (outerr error) {
+	encFile := fmt.Sprintf("%s.%s", s.file, extension)
 	s.registerHook(hookLevelPlumbing, func(error) error {
-		if err := remove(gpgFile); err != nil {
+		if err := remove(encFile); err != nil {
-			return errwrap.Wrap(err, "error removing gpg file")
+			return errwrap.Wrap(err, "error removing encrypted file")
 		}
 		s.logger.Info(
-			fmt.Sprintf("Removed GPG file `%s`.", gpgFile),
+			fmt.Sprintf("Removed encrypted file `%s`.", encFile),
 		)
 		return nil
 	})
 
-	outFile, err := os.Create(gpgFile)
+	outFile, err := os.Create(encFile)
 	if err != nil {
 		return errwrap.Wrap(err, "error opening out file")
 	}
 	defer func() {
 		if err := outFile.Close(); err != nil {
-			cleanUpErr = errors.Join(cleanUpErr, errwrap.Wrap(err, "error closing out file"))
+			outerr = errors.Join(outerr, errwrap.Wrap(err, "error closing out file"))
 		}
 	}()
 
-	dst, dstCloseCallback, err := encrypt(outFile)
+	dst, err := encryptor(outFile)
 	if err != nil {
 		return errwrap.Wrap(err, "error encrypting backup file")
 	}
 	defer func() {
-		if err := dstCloseCallback(); err != nil {
+		if err := dst.Close(); err != nil {
-			cleanUpErr = errors.Join(cleanUpErr, errwrap.Wrap(err, "error closing encrypted backup file"))
+			outerr = errors.Join(outerr, errwrap.Wrap(err, "error closing encrypted backup file"))
 		}
 	}()
 
 	src, err := os.Open(s.file)
 	if err != nil {
-		return errwrap.Wrap(err, fmt.Sprintf("error opening backup file `%s`", s.file))
+		return errwrap.Wrap(err, fmt.Sprintf("error opening backup file %q", s.file))
 	}
 	defer func() {
 		if err := src.Close(); err != nil {
-			cleanUpErr = errors.Join(cleanUpErr, errwrap.Wrap(err, "error closing backup file"))
+			outerr = errors.Join(outerr, errwrap.Wrap(err, "error closing backup file"))
 		}
 	}()
 
@@ -121,9 +217,10 @@ func (s *script) encryptArchive() error {
 		return errwrap.Wrap(err, "error writing ciphertext to file")
 	}
 
-	s.file = gpgFile
+	s.file = encFile
 	s.logger.Info(
-		fmt.Sprintf("Encrypted backup using gpg, saving as `%s`.", s.file),
+		fmt.Sprintf("Encrypted backup using %q, saving as %q", extension, s.file),
 	)
-	return cleanUpErr
+
+	return
 }

cmd/backup/exec.go

@@ -24,10 +24,18 @@ import (
 )
 
 func (s *script) exec(containerRef string, command string, user string) ([]byte, []byte, error) {
-	args, _ := argv.Argv(command, nil, nil)
+	args, err := argv.Argv(command, nil, nil)
+	if err != nil {
+		return nil, nil, errwrap.Wrap(err, fmt.Sprintf("error parsing argv from '%s'", command))
+	}
+	if len(args) == 0 {
+		return nil, nil, errwrap.Wrap(nil, "received unexpected empty command")
+	}
+
 	commandEnv := []string{
 		fmt.Sprintf("COMMAND_RUNTIME_ARCHIVE_FILEPATH=%s", s.file),
 	}
+
 	execID, err := s.cli.ContainerExecCreate(context.Background(), containerRef, container.ExecOptions{
 		Cmd:          args[0],
 		AttachStdin:  true,

cmd/backup/script.go

@@ -199,7 +199,7 @@ func (s *script) init() error {
 			Endpoint:          s.c.AzureStorageEndpoint,
 			RemotePath:        s.c.AzureStoragePath,
 			ConnectionString:  s.c.AzureStorageConnectionString,
-			AccessTier:        s.c.AzureStorageAccessTier.AccessTier(),
+			AccessTier:        s.c.AzureStorageAccessTier,
 		}
 		azureBackend, err := azure.NewStorageBackend(azureConfig, logFunc)
 		if err != nil {

docs/Gemfile.lock

@@ -59,13 +59,11 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.3)
+    rexml (3.3.9)
-      strscan
     rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     unicode-display_width (2.4.2)

docs/how-tos/encrypt-backups-using-gpg.md

@@ -3,15 +3,7 @@ title: Encrypt backups using GPG
 layout: default
 parent: How Tos
 nav_order: 7
+nav_exclude: true
 ---
 
-# Encrypt backups using GPG
+See: [Encrypt Backups](encrypt-backups)
-
-The image supports encrypting backups using GPG out of the box.
-In case a `GPG_PASSPHRASE` or `GPG_PUBLIC_KEY_RING` environment variable is set, the backup archive will be encrypted using the given key and saved as a `.gpg` file instead.
-
-Assuming you have `gpg` installed, you can decrypt such a backup using (your OS will prompt for the passphrase before decryption can happen):
-
-```console
-gpg -o backup.tar.gz -d backup.tar.gz.gpg
-```

docs/how-tos/encrypt-backups.md

@@ -0,0 +1,32 @@
+---
+title: Encrypting backups
+layout: default
+parent: How Tos
+nav_order: 7
+---
+
+# Encrypting backups
+
+The image supports encrypting backups using one of two available methods: **GPG** or **[age](https://age-encryption.org/)**
+
+## Using GPG encryption
+
+In case a `GPG_PASSPHRASE` or `GPG_PUBLIC_KEY_RING` environment variable is set, the backup archive will be encrypted using the given key and saved as a `.gpg` file instead.
+
+Assuming you have `gpg` installed, you can decrypt such a backup using (your OS will prompt for the passphrase before decryption can happen):
+
+```console
+gpg -o backup.tar.gz -d backup.tar.gz.gpg
+```
+
+## Using age encryption
+
+{: .note }
+Even though the `age` CLI tools supports encryption using SSH keys, this is not supported by this tool.
+`AGE_PUBLIC_KEYS` currently expects `age` keys to be given.
+
+age allows backups to be encrypted with either a symmetric key (password) or a public key. One of those options are available for use.
+
+Given `AGE_PASSPHRASE` being provided, the backup archive will be encrypted with the passphrase and saved as a `.age` file instead. Refer to age documentation for how to properly decrypt.
+
+Given `AGE_PUBLIC_KEYS` being provided (allowing multiple by separating each public key with `,`), the backup archive will be encrypted with the provided public keys. It will also result in the archive being saved as a `.age` file.

docs/how-tos/handle-file-uploads-using-third-party-tools.md

@@ -33,7 +33,7 @@ services:
       - docker-volume-backup.copy-post=/bin/sh -c 'rsync $$COMMAND_RUNTIME_ARCHIVE_FILEPATH /destination'
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   # other services defined here ...
 volumes:

docs/how-tos/set-up-dropbox.md

@@ -33,5 +33,7 @@ Note: Using the "Generated access token" in the app console is not supported, as
 
 ## Other parameters
 
-Important: If you chose `App folder` access during the creation of your Dropbox app in step 1 above, you can only write in the app's directory!
+Important: If you chose `App folder` access during the creation of your Dropbox app in step 1 above, `DROPBOX_REMOTE_PATH` will be a relative path under the App folder!
-This means, that `DROPBOX_REMOTE_PATH` must start with e.g. `/Apps/YOUR_APP_NAME` or `/Apps/YOUR_APP_NAME/some_sub_dir`
+(_For example, DROPBOX_REMOTE_PATH=/somedir means the backup file will be uploaded to /Apps/myapp/somedir_)
+On the other hand if you chose `Full Dropbox` access, the value for `DROPBOX_REMOTE_PATH` will represent an absolute path inside your Dropbox storage area.
+(_Still considering the same example above, the backup file will be uploaded to /somedir in your Dropbox root_)

docs/recipes/index.md

@@ -190,7 +190,7 @@ services:
       DROPBOX_REFRESH_TOKEN: REFRESH_KEY  # replace
       DROPBOX_APP_KEY: APP_KEY  # replace
       DROPBOX_APP_SECRET: APP_SECRET  # replace
-      DROPBOX_REMOTE_PATH: /Apps/my-test-app/some_subdir  # replace
+      DROPBOX_REMOTE_PATH: /somedir  # replace
     volumes:
       - data:/backup/my-app-backup:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
@@ -338,7 +338,7 @@ volumes:
   data:
 ```
 
-## Using mysqldump to prepare the backup
+## Using mariadb-dump/mysqldump to prepare the backup
 
 ```yml
 version: '3'
@@ -347,7 +347,7 @@ services:
   database:
     image: mariadb:latest
     labels:
-      - docker-volume-backup.archive-pre=/bin/sh -c 'mysqldump -psecret --all-databases > /tmp/dumps/dump.sql'
+      - docker-volume-backup.archive-pre=/bin/sh -c 'mariadb-dump -psecret --all-databases > /tmp/dumps/dump.sql'
     volumes:
       - data:/tmp/dumps
   backup:
@@ -358,7 +358,7 @@ services:
     volumes:
       - ./local:/archive
       - data:/backup/data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
 volumes:
   data:

docs/reference/index.md

@@ -9,7 +9,7 @@ nav_order: 2
 Backup targets, schedule and retention are configured using environment variables.
 
 {: .note }
-You can use any environment variable from below also with a `_FILE` suffix to be able to load the value from a file.
+As per established convention, you can use any environment variable key from below with a `_FILE` suffix in order to load the value from a file instead.
 This is typically useful when using [Docker Secrets](https://docs.docker.com/engine/swarm/secrets/) or similar.
 Note that secrets will not be trimmed of leading or trailing whitespace.
 
@@ -17,13 +17,14 @@ Note that secrets will not be trimmed of leading or trailing whitespace.
 In case you encounter double quoted values in your runtime configuration you might still be using an [older version of `docker-compose`][compose-issue].
 You can work around this by either updating `docker-compose` or unquoting your configuration values.
 
-You can populate below template according to your requirements and use it as your `env_file`:
+You can populate below template according to your requirements and use it as your `env_file`.
+The values for each key currently match its default.
 
 {% raw %}
 ```
 ########### BACKUP SCHEDULE
 
-
+# Backups can be run on fixed scheduled that are defined as a cron expression.
 # A cron expression represents a set of times, using 5 or 6 space-separated fields.
 #
 # Field name   | Mandatory? | Allowed values  | Allowed special characters
@@ -37,10 +38,14 @@ You can populate below template according to your requirements and use it as you
 #
 # Month and Day-of-week field values are case insensitive.
 # "SUN", "Sun", and "sun" are equally accepted.
-# If no value is set, `@daily` will be used.
 # If you do not want the cron to ever run, use `0 0 5 31 2 ?`.
+# Refer to sites like <https://crontab.guru> for help.
+# If no value is set, `@daily` will be used, which runs every
+# day at midnight.
 
-# BACKUP_CRON_EXPRESSION="0 2 * * *"
+# BACKUP_CRON_EXPRESSION="@daily"
+
+# ---
 
 # The compression algorithm used in conjunction with tar.
 # Valid options are: "gz" (Gzip), "zst" (Zstd) or "none" (tar only).
@@ -48,15 +53,19 @@ You can populate below template according to your requirements and use it as you
 
 # BACKUP_COMPRESSION="gz"
 
+# ---
+
 # Parallelism level for "gz" (Gzip) compression.
 # Defines how many blocks of data are concurrently processed.
 # Higher values result in faster compression. No effect on decompression
 # Default = 1. Setting this to 0 will use all available threads.
 
-# GZIP_PARALLELISM=1
+# GZIP_PARALLELISM="1"
 
-# The name of the backup file including the extension.
+# ---
-# Format verbs will be replaced as in `strftime`. Omitting them
+
+# The desired name of the backup file including the extension.
+# Format verbs will be replaced as in `strftime`. Omitting all verbs
 # will result in the same filename for every backup run, which means previous
 # versions will be overwritten on subsequent runs.
 # Extension can be defined literally or via "{{ .Extension }}" template,
@@ -66,6 +75,8 @@ You can populate below template according to your requirements and use it as you
 
 # BACKUP_FILENAME="backup-%Y-%m-%dT%H-%M-%S.{{ .Extension }}"
 
+# ---
+
 # Setting BACKUP_FILENAME_EXPAND to true allows for environment variable
 # placeholders in BACKUP_FILENAME, BACKUP_LATEST_SYMLINK and in
 # BACKUP_PRUNING_PREFIX that will get expanded at runtime,
@@ -76,10 +87,15 @@ You can populate below template according to your requirements and use it as you
 
 # BACKUP_FILENAME_EXPAND="true"
 
+# ---
+
 # When storing local backups, a symlink to the latest backup can be created
 # in case a value is given for this key. This has no effect on remote backups.
+# Example: "backup.latest.tar.gz"
 
-# BACKUP_LATEST_SYMLINK="backup.latest.tar.gz"
+# BACKUP_LATEST_SYMLINK=""
+
+# ---
 
 # ************************************************************************
 # The BACKUP_FROM_SNAPSHOT option has been deprecated and will be removed
@@ -93,203 +109,285 @@ You can populate below template according to your requirements and use it as you
 
 # BACKUP_FROM_SNAPSHOT="false"
 
-# By default, the `/backup` directory inside the container will be backed up.
+# ---
-# In case you need to use a custom location, set `BACKUP_SOURCES`.
 
-# BACKUP_SOURCES="/other/location"
+# By default, the contents of the `/backup` directory inside the container
+# will be backed up. In case you need to use a custom location, set `BACKUP_SOURCES`.
+# Example: "/other/location"
 
-# When given, all files in BACKUP_SOURCES whose full path matches the given
+# BACKUP_SOURCES="/backup"
+
+# ---
+
+# When a value is given, all files in BACKUP_SOURCES whose full path matches the
 # regular expression will be excluded from the archive. Regular Expressions
 # can be used as from the Go standard library https://pkg.go.dev/regexp
+# Example: "\.log$"
 
-# BACKUP_EXCLUDE_REGEXP="\.log$"
+# BACKUP_EXCLUDE_REGEXP=""
+
+# ---
 
 # Exclude one or many storage backends from the pruning process.
+# Available backends are: S3, WebDAV, SSH, Local, Dropbox, Azure
 # E.g. with one backend excluded: BACKUP_SKIP_BACKENDS_FROM_PRUNE=s3
 # E.g. with multiple backends excluded: BACKUP_SKIP_BACKENDS_FROM_PRUNE=s3,webdav
-# Available backends are: S3, WebDAV, SSH, Local, Dropbox, Azure
+# Note: The names of the backends are case insensitive. 
-# Note: The name of the backends is case insensitive. 
 # Default: All backends get pruned.
 
-# BACKUP_SKIP_BACKENDS_FROM_PRUNE=
+# BACKUP_SKIP_BACKENDS_FROM_PRUNE=""
 
-########### BACKUP STORAGE
+########### S3 COMPATIBLE STORAGE
 
 # The name of the remote bucket that should be used for storing backups. If
 # this is not set, no remote backups will be stored.
+# Example: "backup-bucket"
 
-# AWS_S3_BUCKET_NAME="backup-bucket"
+# AWS_S3_BUCKET_NAME=""
+
+# ---
 
 # If you want to store the backup in a non-root location on your bucket
 # you can provide a path. The path must not contain a leading slash.
+# Example: "my/backup/location"
 
-# AWS_S3_PATH="my/backup/location"
+# AWS_S3_PATH=""
+
+# ---
 
 # Define credentials for authenticating against the backup storage and a bucket
 # name. Although all of these keys are `AWS`-prefixed, the setup can be used
 # with any S3 compatible storage.
 
-# AWS_ACCESS_KEY_ID="<xxx>"
+# AWS_ACCESS_KEY_ID=""
-# AWS_SECRET_ACCESS_KEY="<xxx>"
+# AWS_SECRET_ACCESS_KEY=""
+
+# ---
 
 # Instead of providing static credentials, you can also use IAM instance profiles
 # or similar to provide authentication. Some possible configuration options on AWS:
 # - EC2: http://169.254.169.254
 # - ECS: http://169.254.170.2
 
-# AWS_IAM_ROLE_ENDPOINT="http://169.254.169.254"
+# AWS_IAM_ROLE_ENDPOINT=""
+
+# ---
 
 # This is the FQDN of your storage server, e.g. `storage.example.com`.
-# Do not set this when working against AWS S3 (the default value is
+# If you need to set a specific (non-https) protocol, you will need to use the option below.
-# `s3.amazonaws.com`). If you need to set a specific (non-https) protocol, you
+# The default value points to the standard AWS S3 endpoint.
-# will need to use the option below.
 
-# AWS_ENDPOINT="storage.example.com"
+# AWS_ENDPOINT="s3.amazonaws.com"
 
-# The protocol to be used when communicating with your storage server.
+# ---
+
+# The protocol to be used when communicating with your S3 storage server.
 # Defaults to "https". You can set this to "http" when communicating with
-# a different Docker container on the same host for example.
+# a different Docker container in the same virtual network for example.
 
 # AWS_ENDPOINT_PROTO="https"
 
+# ---
+
 # Setting this variable to `true` will disable verification of
 # SSL certificates for AWS_ENDPOINT. You shouldn't use this unless you use
 # self-signed certificates for your remote storage backend. This can only be
 # used when AWS_ENDPOINT_PROTO is set to `https`.
 
-# AWS_ENDPOINT_INSECURE="true"
+# AWS_ENDPOINT_INSECURE="false"
+
+# ---
 
 # If you wish to use self signed certificates your S3 server, you can pass
 # the location of a PEM encoded CA certificate and it will be used for
-# validating your certificates.
+# validating your certificates. Alternatively, pass a PEM encoded string
-# Alternatively, pass a PEM encoded string containing the certificate.
+# containing the certificate.
+# Example: "/path/to/cert.pem"
 
-# AWS_ENDPOINT_CA_CERT="/path/to/cert.pem"
+# AWS_ENDPOINT_CA_CERT=""
 
-# Setting this variable will change the S3 storage class header.
+# ---
-# Defaults to "STANDARD", you can set this value according to your needs.
 
-# AWS_STORAGE_CLASS="GLACIER"
+# Setting a value for this key will change the S3 storage class header.
+# Default behavior is to use the standard class when no value is given.
+# Example: "GLACIER"
+
+# AWS_STORAGE_CLASS=""
+
+# ---
 
 # Setting this variable will change the S3 default part size for the copy step.
 # This value is useful when you want to upload large files.
-# NB : While using Scaleway as S3 provider, be aware that the parts counter is set to 1.000.
+# NB: While using Scaleway as S3 provider, be aware that the parts counter is set to 1.000.
 # While Minio uses a hard coded value to 10.000. As a workaround, try to set a higher value.
 # Defaults to "16" (MB) if unset (from minio), you can set this value according to your needs.
 # The unit is in MB and an integer.
 
-# AWS_PART_SIZE=16
+# AWS_PART_SIZE="16"
 
-# You can also backup files to any WebDAV server:
+########### WEBDAV STORAGE
 
 # The URL of the remote WebDAV server
+# Example: "https://webdav.example.com"
 
-# WEBDAV_URL="https://webdav.example.com"
+# WEBDAV_URL=""
+
+# ---
 
 # The Directory to place the backups to on the WebDAV server.
 # If the path is not present on the server it will be created.
+# Example: "/my/directory/"
 
-# WEBDAV_PATH="/my/directory/"
+# WEBDAV_PATH=""
+
+# ---
 
 # The username for the WebDAV server
+# Example: "user"
 
-# WEBDAV_USERNAME="user"
+# WEBDAV_USERNAME=""
+
+# ---
 
 # The password for the WebDAV server
+# Example: "password"
 
-# WEBDAV_PASSWORD="password"
+# WEBDAV_PASSWORD=""
 
-# Setting this variable to `true` will disable verification of
+# ---
+
+# Setting this variable to "true" will disable verification of
 # SSL certificates for WEBDAV_URL. You shouldn't use this unless you use
 # self-signed certificates for your remote storage backend.
 
-# WEBDAV_URL_INSECURE="true"
+# WEBDAV_URL_INSECURE="false"
 
-# You can also backup files to any SSH server:
+########### SSH/SFTP STORAGE
 
-# The URL of the remote SSH server
+# The FQDN of the remote SSH server
+# Example: "server.local"
 
-# SSH_HOST_NAME="server.local"
+# SSH_HOST_NAME=""
+
+# ---
 
 # The port of the remote SSH server
-# Optional variable default value is `22`
 
-# SSH_PORT=2222
+# SSH_PORT="22"
+
+# ---
 
 # The Directory to place the backups to on the SSH server.
+# Example: "/home/user/backups"
 
-# SSH_REMOTE_PATH="/my/directory/"
+# SSH_REMOTE_PATH=""
+
+# ---
 
 # The username for the SSH server
+# Example: "user"
 
-# SSH_USER="user"
+# SSH_USER=""
+
+# ---
 
 # The password for the SSH server
+# Example: "password"
 
-# SSH_PASSWORD="password"
+# SSH_PASSWORD=""
 
-# The private key path in container for SSH server
+# ---
-# Default value: /root/.ssh/id_rsa
+
-# If file is mounted to /root/.ssh/id_rsa path it will be used. Non-RSA keys will
+# The private key path in container for SSH server.
-# also work.
+# Consumers can mount a file into /root/.ssh/id_rsa (or the respective value)
+# in order to have it being used. Non-RSA keys (e.g. ed25519) will also work.
 
 # SSH_IDENTITY_FILE="/root/.ssh/id_rsa"
 
-# The passphrase for the identity file
+# ---
 
-# SSH_IDENTITY_PASSPHRASE="pass"
+# The passphrase for the identity file if applicable
+# Example: "pass"
+
+# SSH_IDENTITY_PASSPHRASE=""
+
+########### AZURE BLOB STORAGE
 
 # The credential's account name when using Azure Blob Storage. This has to be
 # set when using Azure Blob Storage.
+# Example: "account-name"
 
-# AZURE_STORAGE_ACCOUNT_NAME="account-name"
+# AZURE_STORAGE_ACCOUNT_NAME=""
+
+# ---
 
 # The credential's primary account key when using Azure Blob Storage. If this
 # is not given, the command tries to fall back to using a connection string
-# (if given) or a managed identity (if nothing is given).
+# (if given) or a managed identity (if neither is set).
 
-# AZURE_STORAGE_PRIMARY_ACCOUNT_KEY="<xxx>"
+# AZURE_STORAGE_PRIMARY_ACCOUNT_KEY=""
+
+# ---
 
 # A connection string for accessing Azure Blob Storage. If this
 # is not given, the command tries to fall back to using a primary account key
-# (if given) or a managed identity (if nothing is given).
+# (if given) or a managed identity (if neither is set).
 
-# AZURE_STORAGE_CONNECTION_STRING="<xxx>"
+# AZURE_STORAGE_CONNECTION_STRING=""
+
+# ---
 
 # The container name when using Azure Blob Storage.
+# Example: "container-name"
 
-# AZURE_STORAGE_CONTAINER_NAME="container-name"
+# AZURE_STORAGE_CONTAINER_NAME=""
+
+# ---
 
 # The service endpoint when using Azure Blob Storage. This is a template that
 # can be passed the account name as shown in the default value below.
 
 # AZURE_STORAGE_ENDPOINT="https://{{ .AccountName }}.blob.core.windows.net/"
 
-# Absolute remote path in your Dropbox where the backups shall be stored.
+# ---
-# Note: Use your app's subpath in Dropbox, if it doesn't have global access.
-# Consulte the README for further information.
 
 # The access tier when using Azure Blob Storage. Possible values are
 # https://github.com/Azure/azure-sdk-for-go/blob/sdk/storage/azblob/v1.3.2/sdk/storage/azblob/internal/generated/zz_constants.go#L14-L30
+# Example: "Cold"
 
-# AZURE_STORAGE_ACCESS_TIER="Cold"
+# AZURE_STORAGE_ACCESS_TIER=""
 
-# DROPBOX_REMOTE_PATH="/my/directory"
+########### DROPBOX STORAGE
 
-# Number of concurrent chunked uploads for Dropbox.
+# Absolute remote path in your Dropbox where the backups shall be stored.
-# Values above 6 usually result in no enhancements.
+# Note: Use your app's subpath in Dropbox, if it doesn't have global access.
+# Consult the README for further information.
+# Example: "/my/directory"
 
-# DROPBOX_CONCURRENCY_LEVEL="6"
+# DROPBOX_REMOTE_PATH=""
+
+# ---
 
 # App key and app secret from your app created at https://www.dropbox.com/developers/apps/info
 
 # DROPBOX_APP_KEY=""
 # DROPBOX_APP_SECRET=""
 
+# ---
+
+# Number of concurrent chunked uploads for Dropbox.
+# Values above 6 usually result in no enhancements.
+
+# DROPBOX_CONCURRENCY_LEVEL="6"
+
+# ---
+
 # Refresh token to request new short-lived tokens (OAuth2). Consult README to see how to get one.
 
 # DROPBOX_REFRESH_TOKEN=""
 
+########### LOCAL FILE STORAGE
+
 # In addition to storing backups remotely, you can also keep local copies.
 # Pass a container-local path to store your backups if needed. You also need to
 # mount a local folder or Docker volume into that location (`/archive`
@@ -311,10 +409,12 @@ You can populate below template according to your requirements and use it as you
 # for such files, or to configure BACKUP_PRUNING_PREFIX to limit
 # removal to certain files.
 
-# Define this value to enable automatic rotation of old backups. The value
+# Pass zero or a positive integer value to enable automatic rotation of
-# declares the number of days for which a backup is kept.
+# old backups. The value declares the number of days for which a backup is kept.
 
-# BACKUP_RETENTION_DAYS="7"
+# BACKUP_RETENTION_DAYS="-1"
+
+# ---
 
 # In case the duration a backup takes fluctuates noticeably in your setup
 # you can adjust this setting to make sure there are no race conditions
@@ -326,6 +426,8 @@ You can populate below template according to your requirements and use it as you
 
 # BACKUP_PRUNING_LEEWAY="1m"
 
+# ---
+
 # In case your target bucket or directory contains other files than the ones
 # managed by this container, you can limit the scope of rotation by setting
 # a prefix value. This would usually be the non-parametrized part of your
@@ -333,22 +435,37 @@ You can populate below template according to your requirements and use it as you
 # you can set BACKUP_PRUNING_PREFIX to `db-backup-` and make sure
 # unrelated files are not affected by the rotation mechanism.
 
-# BACKUP_PRUNING_PREFIX="backup-"
+# BACKUP_PRUNING_PREFIX=""
 
 ########### BACKUP ENCRYPTION
 
+# All of the encryption options are mutually exclusive. Provide a single option
+# for the encryption scheme of your choice.
+
 # Backups can be encrypted symmetrically using gpg in case a passphrase is given.
 
-# GPG_PASSPHRASE="<xxx>"
+# GPG_PASSPHRASE=""
+
+# ---
 
 # Backups can be encrypted asymmetrically using gpg in case publickeys are given.
+# You can use pipe syntax to pass a multiline value.
 
-# GPG_PUBLIC_KEY_RING= | 
+# GPG_PUBLIC_KEY_RING=""
-#-----BEGIN PGP PUBLIC KEY BLOCK-----
+
-#
+# ---
-#D/cIHu6GH/0ghlcUVSbgMg5RRI5QKNNKh04uLAPxr75mKwUg0xPUaWgyyrAChVBi
+
-#...
+# Backups can be encrypted symmetrically using age in case a passphrase is given.
-#-----END PGP PUBLIC KEY BLOCK-----
+
+# AGE_PASSPHRASE=""
+
+# ---
+
+# Backups can be encrypted asymmetrically using age in case publickeys are given.
+# Multiple keys need to be provided as a comma separated list. Right now, this
+# supports `age` and `ssh` keys
+
+# AGE_PUBLIC_KEYS=""
 
 ########### STOPPING CONTAINERS AND SERVICES DURING BACKUP
 
@@ -356,18 +473,17 @@ You can populate below template according to your requirements and use it as you
 # `docker-volume-backup.stop-during-backup` label. By default, all containers and
 # services that are labeled with `true` will be stopped. If you need more fine
 # grained control (e.g. when running multiple containers based on this image),
-# you can override this default by specifying a different value here.
+# you can override this default by specifying a different string value here.
-# BACKUP_STOP_DURING_BACKUP_LABEL="service1"
+# BACKUP_STOP_DURING_BACKUP_LABEL="true"
 
 # When trying to scale down Docker Swarm services, give up after
 # the specified amount of time in case the service has not converged yet.
 # In case you need to adjust this timeout, supply a duration
 # value as per https://pkg.go.dev/time#ParseDuration to `BACKUP_STOP_SERVICE_TIMEOUT`.
-# Defaults to 5 minutes.
 
 # BACKUP_STOP_SERVICE_TIMEOUT="5m"
 
-########### EXECUTING COMMANDS IN CONTAINERS PRE/POST BACKUP
+########### EXECUTING COMMANDS IN CONTAINERS DURING THE BACKUP LIFECYCLE
 
 # It is possible to define commands to be run in any container before and after
 # a backup is conducted. The commands themselves are defined in labels like
@@ -378,15 +494,17 @@ You can populate below template according to your requirements and use it as you
 # is configured to be "true", command execution output will be forwarded to
 # the backup container's stdout and stderr.
 
-# EXEC_FORWARD_OUTPUT="true"
+# EXEC_FORWARD_OUTPUT="false"
+
+# ---
 
 # Without any further configuration, all commands defined in labels will be
 # run before and after a backup. If you need more fine grained control, you
 # can use this option to set a label that will be used for narrowing down
-# the set of eligible containers. When set, an eligible container will also need
+# the set of eligible containers. E.g. when setting this to `database`,
-# to be labeled as `docker-volume-backup.exec-label=database`.
+# an eligible container will also need to be labeled as `docker-volume-backup.exec-label=database`.
 
-# EXEC_LABEL="database"
+# EXEC_LABEL=""
 
 ########### NOTIFICATIONS
 
@@ -397,10 +515,13 @@ You can populate below template according to your requirements and use it as you
 # on how to do this can be found in the README. When providing multiple URLs or
 # an URL that contains a comma, the values can be URL encoded to avoid ambiguities.
 
-# The below URL demonstrates how to send an email using the provided SMTP
+# The following example URL demonstrates how to send an email using the provided SMTP
 # configuration and credentials.
+# Example: "smtp://username:password@host:587/?fromAddress=sender@example.com&toAddresses=recipient@example.com"
 
-# NOTIFICATION_URLS=smtp://username:password@host:587/?fromAddress=sender@example.com&toAddresses=recipient@example.com
+# NOTIFICATION_URLS=""
+
+# ---
 
 # By default, notifications would only be sent out when a backup run fails
 # To receive notifications for every run, set `NOTIFICATION_LEVEL` to `info`
@@ -412,8 +533,9 @@ You can populate below template according to your requirements and use it as you
 
 # If you are interfacing with Docker via TCP you can set the Docker host here
 # instead of mounting the Docker socket as a volume. This is unset by default.
+# Example: "tcp://docker_socket_proxy:2375"
 
-# DOCKER_HOST="tcp://docker_socket_proxy:2375"
+# DOCKER_HOST=""
 
 ########### LOCK_TIMEOUT
 
@@ -440,20 +562,25 @@ You can populate below template according to your requirements and use it as you
 # The recipient(s) of the notification. Supply a comma separated list
 # of addresses if you want to notify multiple recipients. If this is
 # not set, no emails will be sent.
+# Example: "you@example.com"
 
-# EMAIL_NOTIFICATION_RECIPIENT="you@example.com"
+# EMAIL_NOTIFICATION_RECIPIENT=""
 
-# The "From" header of the sent email. Defaults to `noreply@nohost`.
+# ---
 
-# EMAIL_NOTIFICATION_SENDER="no-reply@example.com"
+# The "From" header of the sent email.
+# Example: "no-reply@example.com"
+
+# EMAIL_NOTIFICATION_SENDER="noreply@nohost"
+
+# ---
 
 # Configuration and credentials for the SMTP server to be used.
-# EMAIL_SMTP_PORT defaults to 587.
 
-# EMAIL_SMTP_HOST="posteo.de"
+# EMAIL_SMTP_HOST=""
-# EMAIL_SMTP_PASSWORD="<xxx>"
+# EMAIL_SMTP_PASSWORD=""
-# EMAIL_SMTP_USERNAME="no-reply@example.com"
+# EMAIL_SMTP_USERNAME=""
-# EMAIL_SMTP_PORT="<port>"
+# EMAIL_SMTP_PORT="587"
 ```
 {% endraw %}
 

go.mod

@@ -1,31 +1,33 @@
 module github.com/offen/docker-volume-backup
 
-go 1.22
+go 1.24
 
 require (
-	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.7.0
+	filippo.io/age v1.2.1
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.4.0
+	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.2
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0
 	github.com/containrrr/shoutrrr v0.8.0
 	github.com/cosiner/argv v0.1.0
-	github.com/docker/cli v27.1.1+incompatible
+	github.com/docker/cli v28.0.0+incompatible
 	github.com/docker/docker v27.1.1+incompatible
 	github.com/gofrs/flock v0.12.1
 	github.com/joho/godotenv v1.5.1
-	github.com/klauspost/compress v1.17.9
+	github.com/klauspost/compress v1.18.0
 	github.com/leekchan/timeutil v0.0.0-20150802142658-28917288c48d
-	github.com/minio/minio-go/v7 v7.0.74
+	github.com/minio/minio-go/v7 v7.0.87
 	github.com/offen/envconfig v1.5.0
-	github.com/otiai10/copy v1.14.0
+	github.com/otiai10/copy v1.14.1
-	github.com/pkg/sftp v1.13.6
+	github.com/pkg/sftp v1.13.7
 	github.com/robfig/cron/v3 v3.0.1
-	github.com/studio-b12/gowebdav v0.9.0
+	github.com/studio-b12/gowebdav v0.10.0
-	golang.org/x/crypto v0.25.0
+	golang.org/x/crypto v0.33.0
-	golang.org/x/oauth2 v0.22.0
+	golang.org/x/oauth2 v0.27.0
-	golang.org/x/sync v0.8.0
+	golang.org/x/sync v0.11.0
-	mvdan.cc/sh/v3 v3.8.0
+	mvdan.cc/sh/v3 v3.10.0
 )
 
 require (
+	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/cloudflare/circl v1.3.7 // indirect
 	github.com/containerd/log v0.1.0 // indirect
@@ -34,10 +36,12 @@ require (
 	github.com/go-ini/ini v1.67.0 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/golang-jwt/jwt/v5 v5.2.1 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/minio/crc64nvme v1.0.1 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
+	github.com/otiai10/mint v1.6.3 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 // indirect
 	go.opentelemetry.io/otel v1.26.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.26.0 // indirect
@@ -50,9 +54,9 @@ require (
 )
 
 require (
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.13.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0 // indirect
 	github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0 // indirect
-	github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2 // indirect
+	github.com/AzureAD/microsoft-authentication-library-for-go v1.3.3 // indirect
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/ProtonMail/go-crypto v1.1.0-alpha.1
 	github.com/docker/go-connections v0.4.0 // indirect
@@ -62,7 +66,7 @@ require (
 	github.com/fatih/color v1.17.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
 	github.com/klauspost/pgzip v1.2.6
 	github.com/kr/fs v0.1.0 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
@@ -75,10 +79,10 @@ require (
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/rs/xid v1.5.0 // indirect
+	github.com/rs/xid v1.6.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
-	golang.org/x/net v0.27.0 // indirect
+	golang.org/x/net v0.35.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
 	gotest.tools/v3 v3.0.3 // indirect
 )

go.sum

@@ -1,3 +1,5 @@
+c2sp.org/CCTV/age v0.0.0-20240306222714-3ec4d716e805 h1:u2qwJeEvnypw+OCPUHmoZE3IqwfuN5kgDfo5MLzpNM0=
+c2sp.org/CCTV/age v0.0.0-20240306222714-3ec4d716e805/go.mod h1:FomMrUJ2Lxt5jCLmZkG3FHa72zUprnhd3v/Z18Snm4w=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -31,20 +33,28 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/azure-sdk-for-go/sdk/azcore v1.13.0 h1:GJHeeA2N7xrG3q30L2UXDyuWRzDM900/65j70wcM4Ww=
+filippo.io/age v1.2.1 h1:X0TZjehAZylOIj4DubWYU1vWQxv9bJpo+Uu2/LGhi1o=
-github.com/Azure/azure-sdk-for-go/sdk/azcore v1.13.0/go.mod h1:l38EPgmsp71HHLq9j7De57JcKOWPyhrsW1Awm1JS6K0=
+filippo.io/age v1.2.1/go.mod h1:JL9ew2lTN+Pyft4RiNGguFfOpewKwSHm5ayKD/A4004=
-github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.7.0 h1:tfLQ34V6F7tVSwoTf/4lH5sE0o6eCJuNDTmH09nDpbc=
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
-github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.7.0/go.mod h1:9kIvujWAA58nmPmWB1m23fyWic1kYZMxD9CxaWn4Qpg=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0 h1:g0EZJwz7xkXQiZAI5xi9f3WWFYBlX1CPTrR+NDToRkQ=
+github.com/Azure/azure-sdk-for-go/sdk/azcore v1.17.0/go.mod h1:XCW7KnZet0Opnr7HccfUw1PLc4CjHqpcaxW8DHklNkQ=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.2 h1:F0gBpfdPLGsw+nsgk6aqqkZS1jiixa5WwFe3fk/T3Ys=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.8.2/go.mod h1:SqINnQ9lVVdRlyC8cd1lCI0SdX4n2paeABd2K8ggfnE=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity/cache v0.3.2 h1:yz1bePFlP5Vws5+8ez6T3HWXPmwOK7Yvq8QxDBD3SKY=
+github.com/Azure/azure-sdk-for-go/sdk/azidentity/cache v0.3.2/go.mod h1:Pa9ZNPuoNu/GztvBSKk9J1cDJW6vk/n0zLtV4mgd8N8=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0 h1:ywEEhmNahHBihViHepv3xPBn1663uRv2t2q/ESv9seY=
 github.com/Azure/azure-sdk-for-go/sdk/internal v1.10.0/go.mod h1:iZDifYGJTIgIIkYRNWPENUnqx6bJ2xnSDFI2tjwZNuY=
 github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.6.0 h1:PiSrjRPpkQNjrM8H0WwKMnZUdu1RGMtd/LdGKUrOo+c=
 github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/storage/armstorage v1.6.0/go.mod h1:oDrbWx4ewMylP7xHivfgixbfGBT6APAwsSoHRKotnIc=
-github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.4.0 h1:Be6KInmFEKV81c0pOAEbRYehLMwmmGI1exuFj248AMk=
+github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0 h1:UXT0o77lXQrikd1kgwIPQOUect7EoR/+sbP4wQKdzxM=
-github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.4.0/go.mod h1:WCPBHsOXfBVnivScjs2ypRfimjEW0qPVLGgJkZlrIOA=
+github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.0/go.mod h1:cTvi54pg19DoT07ekoeMgE/taAwNtCShVeZqA+Iv2xI=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
-github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2 h1:XHOnouVk1mxXfQidrMEnLlPk9UMeRtyBTnEFtxkV0kU=
+github.com/AzureAD/microsoft-authentication-extensions-for-go/cache v0.1.1 h1:WJTmL004Abzc5wDB5VtZG2PJk5ndYDgVacGqfirKxjM=
-github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
+github.com/AzureAD/microsoft-authentication-extensions-for-go/cache v0.1.1/go.mod h1:tCcJZ0uHAmvjsVYzEFivsRTN00oz5BEsRgQHu5JZ9WE=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.3.3 h1:H5xDQaE3XowWfhZRUpnfC+rGZMEVoSiji+b+/HFAPU4=
+github.com/AzureAD/microsoft-authentication-library-for-go v1.3.3/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/Microsoft/go-winio v0.5.2 h1:a9IhgEQBCUEk6QCdml9CiJGhAws+YwffDHEMp1VMrpA=
@@ -54,6 +64,8 @@ github.com/ProtonMail/go-crypto v1.1.0-alpha.1/go.mod h1:rA3QumHc/FZ8pAHreoekgiA
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -70,10 +82,12 @@ github.com/cosiner/argv v0.1.0/go.mod h1:EusR6TucWKX+zFgtdUsKT2Cvg45K5rtpCcWz4hK
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/cli v27.1.1+incompatible h1:goaZxOqs4QKxznZjjBWKONQci/MywhtRv2oNn0GkeZE=
+github.com/docker/cli v28.0.0+incompatible h1:ido37VmLUqEp+5NFb9icd6BuBB+SNDgCn+5kPCr2buA=
-github.com/docker/cli v27.1.1+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
+github.com/docker/cli v28.0.0+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/docker v27.1.1+incompatible h1:hO/M4MtV36kzKldqnA37IWhebRA+LnqqcqDja6kVaKY=
 github.com/docker/docker v27.1.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
@@ -92,8 +106,6 @@ github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
 github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
-github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
-github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -104,10 +116,12 @@ github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
 github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/go-quicktest/qt v1.101.0 h1:O1K29Txy5P2OK0dGo59b7b0LR6wKfIhttaAhHUyn7eI=
+github.com/go-quicktest/qt v1.101.0/go.mod h1:14Bz/f7NwaXPtdYEgzsx46kqSxVwTbzVZsDC26tQJow=
 github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
 github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
-github.com/goccy/go-json v0.10.3 h1:KZ5WoDbxAIgm2HNbYckL0se1fHD6rz5j4ywS6ebzDqA=
+github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
-github.com/goccy/go-json v0.10.3/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
+github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/gofrs/flock v0.12.1 h1:MTLVXXHf8ekldpJk3AKicLij9MdwOWkZ+a/jHHZby9E=
 github.com/gofrs/flock v0.12.1/go.mod h1:9zxTsyu5xtJ9DK+1tFZyibEV7y3uwDxPPfbxeeHCoD0=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
@@ -178,13 +192,15 @@ github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk=
+github.com/keybase/go-keychain v0.0.0-20231219164618-57a3676c3af6 h1:IsMZxCuZqKuao2vNdfD82fjjgPLfyHLpR41Z88viRWs=
+github.com/keybase/go-keychain v0.0.0-20231219164618-57a3676c3af6/go.mod h1:3VeWNIJaW+O5xpRQbPp0Ybqu1vJd/pm7s2F473HRrkw=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
-github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/klauspost/cpuid/v2 v2.0.1/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
-github.com/klauspost/cpuid/v2 v2.2.8 h1:+StwCXwm9PdpiEkPyzBXIy+M9KUb4ODm0Zarf1kS5BM=
+github.com/klauspost/cpuid/v2 v2.2.9 h1:66ze0taIn2H33fBvCkXuv9BmCwDfafmiIVpKV9kKGuY=
-github.com/klauspost/cpuid/v2 v2.2.8/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
+github.com/klauspost/cpuid/v2 v2.2.9/go.mod h1:rqkxqrZ1EhYM9G+hXH7YdowN5R5RGN6NK4QwQ3WMXF8=
 github.com/klauspost/pgzip v1.2.6 h1:8RXeL5crjEUFnR2/Sn6GJNWtSQ3Dk8pq4CL3jvdDyjU=
 github.com/klauspost/pgzip v1.2.6/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
@@ -206,10 +222,12 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/minio/crc64nvme v1.0.1 h1:DHQPrYPdqK7jQG/Ls5CTBZWeex/2FMS3G5XGkycuFrY=
+github.com/minio/crc64nvme v1.0.1/go.mod h1:eVfm2fAzLlxMdUGc0EEBGSMmPwmXD5XiNRpnu9J3bvg=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
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@@ -226,27 +244,29 @@ github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8
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@@ -260,10 +280,10 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
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@@ -296,9 +316,9 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
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@@ -330,6 +350,7 @@ golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzB
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@@ -359,17 +380,18 @@ golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81R
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@@ -380,8 +402,9 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -420,22 +443,28 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
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-golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
-golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
+golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
+golang.org/x/term v0.29.0 h1:L6pJp37ocefwRRtYPKSWOWzOtWSxVajvz2ldH/xi3iU=
+golang.org/x/term v0.29.0/go.mod h1:6bl4lRlvVuDgSf3179VpIxBF0o10JUpXWOnI7nErv7s=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -485,8 +514,9 @@ golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
+golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -591,8 +621,8 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-mvdan.cc/sh/v3 v3.8.0 h1:ZxuJipLZwr/HLbASonmXtcvvC9HXY9d2lXZHnKGjFc8=
+mvdan.cc/sh/v3 v3.10.0 h1:v9z7N1DLZ7owyLM/SXZQkBSXcwr2IGMm2LY2pmhVXj4=
-mvdan.cc/sh/v3 v3.8.0/go.mod h1:w04623xkgBVo7/IUK89E0g8hBykgEpN0vgOj3RJr6MY=
+mvdan.cc/sh/v3 v3.10.0/go.mod h1:z/mSSVyLFGZzqb3ZIKojjyqIx/xbmz/UHdCSv9HmqXY=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

internal/errwrap/wrap.go

@@ -21,7 +21,7 @@ func Wrap(err error, msg string) error {
 	chunks := strings.Split(frame.Function, "/")
 	withCaller := fmt.Sprintf("%s: %s", chunks[len(chunks)-1], msg)
 	if err == nil {
-		return fmt.Errorf(withCaller)
+		return errors.New(withCaller)
 	}
 	return fmt.Errorf("%s: %w", withCaller, err)
 }

internal/storage/azure/azure.go

@@ -9,6 +9,7 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"path"
 	"path/filepath"
 	"strings"
 	"sync"
@@ -39,11 +40,15 @@ type Config struct {
 	ConnectionString  string
 	Endpoint          string
 	RemotePath        string
-	AccessTier        *blob.AccessTier
+	AccessTier        string
 }
 
 // NewStorageBackend creates and initializes a new Azure Blob Storage backend.
 func NewStorageBackend(opts Config, logFunc storage.Log) (storage.Backend, error) {
+	if opts.PrimaryAccountKey != "" && opts.ConnectionString != "" {
+		return nil, errwrap.Wrap(nil, "using primary account key and connection string are mutually exclusive")
+	}
+
 	endpointTemplate, err := template.New("endpoint").Parse(opts.Endpoint)
 	if err != nil {
 		return nil, errwrap.Wrap(err, "error parsing endpoint template")
@@ -81,11 +86,25 @@ func NewStorageBackend(opts Config, logFunc storage.Log) (storage.Backend, error
 		}
 	}
 
+	var uploadStreamOptions *blockblob.UploadStreamOptions
+	if opts.AccessTier != "" {
+		var found bool
+		for _, t := range blob.PossibleAccessTierValues() {
+			if string(t) == opts.AccessTier {
+				found = true
+				uploadStreamOptions = &blockblob.UploadStreamOptions{
+					AccessTier: &t,
+				}
+			}
+		}
+		if !found {
+			return nil, errwrap.Wrap(nil, fmt.Sprintf("%s is not a possible access tier value", opts.AccessTier))
+		}
+	}
+
 	storage := azureBlobStorage{
 		client:              client,
-		uploadStreamOptions: &blockblob.UploadStreamOptions{
+		uploadStreamOptions: uploadStreamOptions,
-			AccessTier: opts.AccessTier,
-		},
 		containerName:       opts.ContainerName,
 		StorageBackend: &storage.StorageBackend{
 			DestinationPath: opts.RemotePath,
@@ -110,7 +129,7 @@ func (b *azureBlobStorage) Copy(file string) error {
 	_, err = b.client.UploadStream(
 		context.Background(),
 		b.containerName,
-		filepath.Join(b.DestinationPath, filepath.Base(file)),
+		path.Join(b.DestinationPath, filepath.Base(file)),
 		fileReader,
 		b.uploadStreamOptions,
 	)
@@ -123,7 +142,7 @@ func (b *azureBlobStorage) Copy(file string) error {
 // Prune rotates away backups according to the configuration and provided
 // deadline for the Azure Blob storage backend.
 func (b *azureBlobStorage) Prune(deadline time.Time, pruningPrefix string) (*storage.PruneStats, error) {
-	lookupPrefix := filepath.Join(b.DestinationPath, pruningPrefix)
+	lookupPrefix := path.Join(b.DestinationPath, pruningPrefix)
 	pager := b.client.NewListBlobsFlatPager(b.containerName, &container.ListBlobsFlatOptions{
 		Prefix: &lookupPrefix,
 	})

internal/storage/dropbox/dropbox.go

@@ -7,7 +7,6 @@ import (
 	"net/url"
 	"os"
 	"path"
-	"path/filepath"
 	"strings"
 	"sync"
 	"time"
@@ -195,7 +194,7 @@ loop:
 	_, err = b.client.UploadSessionFinish(
 		files.NewUploadSessionFinishArg(
 			files.NewUploadSessionCursor(sessionId, 0),
-			files.NewCommitInfo(filepath.Join(b.DestinationPath, name)),
+			files.NewCommitInfo(path.Join(b.DestinationPath, name)),
 		), nil)
 	if err != nil {
 		return errwrap.Wrap(err, "error finishing the upload session")
@@ -247,7 +246,7 @@ func (b *dropboxStorage) Prune(deadline time.Time, pruningPrefix string) (*stora
 
 	pruneErr := b.DoPrune(b.Name(), len(matches), lenCandidates, deadline, func() error {
 		for _, match := range matches {
-			if _, err := b.client.DeleteV2(files.NewDeleteArg(filepath.Join(b.DestinationPath, match.Name))); err != nil {
+			if _, err := b.client.DeleteV2(files.NewDeleteArg(path.Join(b.DestinationPath, match.Name))); err != nil {
 				return errwrap.Wrap(err, "error removing file from Dropbox storage")
 			}
 		}

internal/storage/local/local.go

@@ -96,7 +96,7 @@ func (b *localStorage) Prune(deadline time.Time, pruningPrefix string) (*storage
 			)
 		}
 
-		if fi.Mode()&os.ModeSymlink != os.ModeSymlink {
+		if !fi.IsDir() && fi.Mode()&os.ModeSymlink != os.ModeSymlink {
 			candidates = append(candidates, candidate)
 		}
 	}

internal/storage/s3/s3.go

@@ -10,7 +10,6 @@ import (
 	"fmt"
 	"os"
 	"path"
-	"path/filepath"
 	"time"
 
 	"github.com/minio/minio-go/v7"
@@ -124,7 +123,7 @@ func (b *s3Storage) Copy(file string) error {
 		putObjectOptions.PartSize = uint64(partSize)
 	}
 
-	if _, err := b.client.FPutObject(context.Background(), b.bucket, filepath.Join(b.DestinationPath, name), file, putObjectOptions); err != nil {
+	if _, err := b.client.FPutObject(context.Background(), b.bucket, path.Join(b.DestinationPath, name), file, putObjectOptions); err != nil {
 		if errResp := minio.ToErrorResponse(err); errResp.Message != "" {
 			return errwrap.Wrap(
 				nil,
@@ -147,7 +146,7 @@ func (b *s3Storage) Copy(file string) error {
 // Prune rotates away backups according to the configuration and provided deadline for the S3/Minio storage backend.
 func (b *s3Storage) Prune(deadline time.Time, pruningPrefix string) (*storage.PruneStats, error) {
 	candidates := b.client.ListObjects(context.Background(), b.bucket, minio.ListObjectsOptions{
-		Prefix:    filepath.Join(b.DestinationPath, pruningPrefix),
+		Prefix:    path.Join(b.DestinationPath, pruningPrefix),
 		Recursive: true,
 	})
 

internal/storage/ssh/ssh.go

@@ -8,7 +8,6 @@ import (
 	"io"
 	"os"
 	"path"
-	"path/filepath"
 	"strings"
 	"time"
 
@@ -115,7 +114,7 @@ func (b *sshStorage) Copy(file string) error {
 	}
 	defer source.Close()
 
-	destination, err := b.sftpClient.Create(filepath.Join(b.DestinationPath, name))
+	destination, err := b.sftpClient.Create(path.Join(b.DestinationPath, name))
 	if err != nil {
 		return errwrap.Wrap(err, "error creating file")
 	}
@@ -164,24 +163,28 @@ func (b *sshStorage) Prune(deadline time.Time, pruningPrefix string) (*storage.P
 	}
 
 	var matches []string
+	var numCandidates int
 	for _, candidate := range candidates {
-		if !strings.HasPrefix(candidate.Name(), pruningPrefix) {
+		if candidate.IsDir() || !strings.HasPrefix(candidate.Name(), pruningPrefix) {
 			continue
 		}
+
+		numCandidates++
 		if candidate.ModTime().Before(deadline) {
 			matches = append(matches, candidate.Name())
 		}
 	}
 
 	stats := &storage.PruneStats{
-		Total:  uint(len(candidates)),
+		Total:  uint(numCandidates),
 		Pruned: uint(len(matches)),
 	}
 
-	pruneErr := b.DoPrune(b.Name(), len(matches), len(candidates), deadline, func() error {
+	pruneErr := b.DoPrune(b.Name(), len(matches), numCandidates, deadline, func() error {
 		for _, match := range matches {
-			if err := b.sftpClient.Remove(filepath.Join(b.DestinationPath, match)); err != nil {
+			p := path.Join(b.DestinationPath, match)
-				return errwrap.Wrap(err, "error removing file")
+			if err := b.sftpClient.Remove(p); err != nil {
+				return errwrap.Wrap(err, fmt.Sprintf("error removing file %s", p))
 			}
 		}
 		return nil

internal/storage/webdav/webdav.go

@@ -9,7 +9,6 @@ import (
 	"net/http"
 	"os"
 	"path"
-	"path/filepath"
 	"strings"
 	"time"
 
@@ -77,7 +76,7 @@ func (b *webDavStorage) Copy(file string) error {
 		return errwrap.Wrap(err, "error opening the file to be uploaded")
 	}
 
-	if err := b.client.WriteStream(filepath.Join(b.DestinationPath, name), r, 0644); err != nil {
+	if err := b.client.WriteStream(path.Join(b.DestinationPath, name), r, 0644); err != nil {
 		return errwrap.Wrap(err, "error uploading the file")
 	}
 	b.Log(storage.LogLevelInfo, b.Name(), "Uploaded a copy of backup '%s' to '%s' at path '%s'.", file, b.url, b.DestinationPath)
@@ -91,26 +90,27 @@ func (b *webDavStorage) Prune(deadline time.Time, pruningPrefix string) (*storag
 	if err != nil {
 		return nil, errwrap.Wrap(err, "error looking up candidates from remote storage")
 	}
+
 	var matches []fs.FileInfo
-	var lenCandidates int
+	var numCandidates int
 	for _, candidate := range candidates {
-		if !strings.HasPrefix(candidate.Name(), pruningPrefix) {
+		if candidate.IsDir() || !strings.HasPrefix(candidate.Name(), pruningPrefix) {
 			continue
 		}
-		lenCandidates++
+		numCandidates++
 		if candidate.ModTime().Before(deadline) {
 			matches = append(matches, candidate)
 		}
 	}
 
 	stats := &storage.PruneStats{
-		Total:  uint(lenCandidates),
+		Total:  uint(numCandidates),
 		Pruned: uint(len(matches)),
 	}
 
-	pruneErr := b.DoPrune(b.Name(), len(matches), lenCandidates, deadline, func() error {
+	pruneErr := b.DoPrune(b.Name(), len(matches), numCandidates, deadline, func() error {
 		for _, match := range matches {
-			if err := b.client.Remove(filepath.Join(b.DestinationPath, match.Name())); err != nil {
+			if err := b.client.Remove(path.Join(b.DestinationPath, match.Name())); err != nil {
 				return errwrap.Wrap(err, "error removing file")
 			}
 		}

test/Dockerfile

@@ -1,8 +1,10 @@
 FROM docker:27-dind
 
 RUN apk add \
+  age \
   coreutils \
   curl \
+  expect \
   gpg \
   gpg-agent \
   jq \

test/age-passphrase/docker-compose.yml

@@ -0,0 +1,24 @@
+services:
+  backup:
+    image: offen/docker-volume-backup:${TEST_VERSION:-canary}
+    restart: always
+    environment:
+      BACKUP_CRON_EXPRESSION: 0 0 5 31 2 ?
+      BACKUP_FILENAME: test.tar.gz
+      BACKUP_LATEST_SYMLINK: test-latest.tar.gz.age
+      BACKUP_RETENTION_DAYS: ${BACKUP_RETENTION_DAYS:-7}
+      AGE_PASSPHRASE: "Dance.0Tonight.Go.Typical"
+    volumes:
+      - ${LOCAL_DIR:-./local}:/archive
+      - app_data:/backup/app_data:ro
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+
+  offen:
+    image: offen/offen:latest
+    labels:
+      - docker-volume-backup.stop-during-backup=true
+    volumes:
+      - app_data:/var/opt/offen
+
+volumes:
+  app_data:

test/age-passphrase/run.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -e
+
+cd "$(dirname "$0")"
+. ../util.sh
+current_test=$(basename "$(pwd)")
+
+export LOCAL_DIR="$(mktemp -d)"
+
+docker compose up -d --quiet-pull
+sleep 5
+
+docker compose exec backup backup
+
+expect_running_containers "2"
+
+TMP_DIR=$(mktemp -d)
+
+# complex usage of expect(1) due to age not have a way to programmatically
+# provide the passphrase
+expect -i <<EOL
+spawn age --decrypt -o "$LOCAL_DIR/decrypted.tar.gz" "$LOCAL_DIR/test.tar.gz.age"
+expect -exact "Enter passphrase: "
+send -- "Dance.0Tonight.Go.Typical\r"
+sleep 1
+EOL
+tar -xf "$LOCAL_DIR/decrypted.tar.gz" -C "$TMP_DIR"
+
+if [ ! -f "$TMP_DIR/backup/app_data/offen.db" ]; then
+  fail "Could not find expected file in untared archive."
+fi
+rm -vf "$LOCAL_DIR/decrypted.tar.gz"
+
+pass "Found relevant files in decrypted and untared local backup."
+
+if [ ! -L "$LOCAL_DIR/test-latest.tar.gz.age" ]; then
+  fail "Could not find local symlink to latest encrypted backup."
+fi

test/age-publickey/.gitignore

@@ -0,0 +1 @@
+pk-*.txt

test/age-publickey/docker-compose.yml

@@ -0,0 +1,24 @@
+services:
+  backup:
+    image: offen/docker-volume-backup:${TEST_VERSION:-canary}
+    restart: always
+    environment:
+      BACKUP_CRON_EXPRESSION: 0 0 5 31 2 ?
+      BACKUP_FILENAME: test.tar.gz
+      BACKUP_LATEST_SYMLINK: test-latest.tar.gz.age
+      BACKUP_RETENTION_DAYS: ${BACKUP_RETENTION_DAYS:-7}
+      AGE_PUBLIC_KEYS: "${BACKUP_AGE_PUBLIC_KEYS}"
+    volumes:
+      - ${LOCAL_DIR:-./local}:/archive
+      - app_data:/backup/app_data:ro
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+
+  offen:
+    image: offen/offen:latest
+    labels:
+      - docker-volume-backup.stop-during-backup=true
+    volumes:
+      - app_data:/var/opt/offen
+
+volumes:
+  app_data:

test/age-publickey/run.sh

@@ -0,0 +1,47 @@
+#!/bin/sh
+
+set -e
+
+cd "$(dirname "$0")"
+. ../util.sh
+current_test=$(basename "$(pwd)")
+
+export LOCAL_DIR="$(mktemp -d)"
+
+age-keygen >"$LOCAL_DIR/pk-a.txt"
+PK_A="$(grep -E 'public key' <"$LOCAL_DIR/pk-a.txt" | cut -d: -f2 | xargs)"
+age-keygen >"$LOCAL_DIR/pk-b.txt"
+PK_B="$(grep -E 'public key' <"$LOCAL_DIR/pk-b.txt" | cut -d: -f2 | xargs)"
+
+ssh-keygen -t ed25519 -m pem -f "$LOCAL_DIR/id_ed25519" -C "docker-volume-backup@local"
+PK_C="$(cat $LOCAL_DIR/id_ed25519.pub)"
+
+export BACKUP_AGE_PUBLIC_KEYS="$PK_A,$PK_B,$PK_C"
+
+docker compose up -d --quiet-pull
+sleep 5
+
+docker compose exec backup backup
+
+expect_running_containers "2"
+
+do_decrypt() {
+  TMP_DIR=$(mktemp -d)
+  age --decrypt -i "$1" -o "$LOCAL_DIR/decrypted.tar.gz" "$LOCAL_DIR/test.tar.gz.age"
+  tar -xf "$LOCAL_DIR/decrypted.tar.gz" -C "$TMP_DIR"
+
+  if [ ! -f "$TMP_DIR/backup/app_data/offen.db" ]; then
+    fail "Could not find expected file in untared archive."
+  fi
+  rm -vf "$LOCAL_DIR/decrypted.tar.gz"
+
+  pass "Found relevant files in decrypted and untared local backup."
+
+  if [ ! -L "$LOCAL_DIR/test-latest.tar.gz.age" ]; then
+    fail "Could not find local symlink to latest encrypted backup."
+  fi
+}
+
+do_decrypt "$LOCAL_DIR/pk-a.txt"
+do_decrypt "$LOCAL_DIR/pk-b.txt"
+do_decrypt "$LOCAL_DIR/id_ed25519"

test/azure/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   storage:
-    image: mcr.microsoft.com/azure-storage/azurite:3.31.0
+    image: mcr.microsoft.com/azure-storage/azurite:3.33.0
     volumes:
       - ${DATA_DIR:-./data}:/data
     command: azurite-blob --blobHost 0.0.0.0 --blobPort 10000 --location /data
@@ -42,7 +42,7 @@ services:
       BACKUP_PRUNING_PREFIX: test
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/certs/docker-compose.yml

@@ -30,7 +30,7 @@ services:
       BACKUP_PRUNING_LEEWAY: 5s
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
       - ${CERT_DIR:-.}/rootCA.crt:/root/minio-rootCA.crt
 
   offen:

test/cli/run.sh

@@ -37,7 +37,7 @@ docker run --rm -q \
   --network test_network \
   -v app_data:/backup/app_data \
   -v empty_data:/backup/empty_data \
-  -v /var/run/docker.sock:/var/run/docker.sock \
+  -v /var/run/docker.sock:/var/run/docker.sock:ro \
   --env AWS_ACCESS_KEY_ID=test \
   --env AWS_SECRET_ACCESS_KEY=GMusLtUmILge2by+z890kQ \
   --env AWS_ENDPOINT=minio:9000 \

test/collision/docker-compose.yml

@@ -9,7 +9,7 @@ services:
     volumes:
       - offen_data:/backup/offen_data:ro
       - ${LOCAL_DIR:-./local}:/archive
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/commands/docker-compose.yml

@@ -42,7 +42,7 @@ services:
     volumes:
       - ${LOCAL_DIR:-./local}:/archive
       - app_data:/backup/data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
 volumes:
   app_data:

test/confd/docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - ./01backup.env:/etc/dockervolumebackup/conf.d/01backup.env
       - ./02backup.env:/etc/dockervolumebackup/conf.d/02backup.env
       - ./03never.env:/etc/dockervolumebackup/conf.d/03never.env
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/dropbox/docker-compose.yml

@@ -42,7 +42,7 @@ services:
       DROPBOX_CONCURRENCY_LEVEL: 6
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/extend/docker-compose.yml

@@ -11,7 +11,7 @@ services:
     volumes:
       - ${LOCAL_DIR:-local}:/local
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/gpg-asym/docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - ${KEY_DIR:-.}/public_key.asc:/keys/public_key.asc
       - ${LOCAL_DIR:-./local}:/archive
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/gpg/docker-compose.yml

@@ -11,7 +11,7 @@ services:
     volumes:
       - ${LOCAL_DIR:-./local}:/archive
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/local/docker-compose.yml

@@ -13,7 +13,7 @@ services:
       BACKUP_PRUNING_PREFIX: test
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
       - ${LOCAL_DIR:-./local}:/archive
 
   offen:

test/lock/docker-compose.yml

@@ -7,7 +7,7 @@ services:
       BACKUP_RETENTION_DAYS: '7'
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
       - ${LOCAL_DIR:-./local}:/archive
 
   offen:

test/pgzip/run.sh

@@ -23,7 +23,7 @@ docker run --rm -q \
   --network test_network \
   -v app_data:/backup/app_data \
   -v $LOCAL_DIR:/archive \
-  -v /var/run/docker.sock:/var/run/docker.sock \
+  -v /var/run/docker.sock:/var/run/docker.sock:ro \
   --env BACKUP_COMPRESSION=gz \
   --env GZIP_PARALLELISM=0 \
   --env BACKUP_FILENAME='test.{{ .Extension }}' \

test/proxy/docker-compose.swarm.yml

@@ -22,7 +22,7 @@ services:
       TASKS: ${ALLOW_TASKS:-1}
       NODES: ${ALLOW_NODES:-1}
     volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   pg:
     image: postgres:14-alpine

test/proxy/docker-compose.yml

@@ -19,7 +19,7 @@ services:
       CONTAINERS: ${ALLOW_CONTAINERS:-1}
       POST: ${ALLOW_POST:-1}
     volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   pg:
     image: postgres:14-alpine

test/pruning/docker-compose.yml

@@ -32,7 +32,7 @@ services:
       BACKUP_SKIP_BACKENDS_FROM_PRUNE: 's3'
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
       - ${LOCAL_DIR:-./local}:/archive
 
   offen:

test/s3/docker-compose.yml

@@ -30,7 +30,7 @@ services:
       BACKUP_PRUNING_PREFIX: test
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/secrets/docker-compose.yml

@@ -35,7 +35,7 @@ services:
       BACKUP_PRUNING_LEEWAY: 5s
     volumes:
       - pg_data:/backup/pg_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
     secrets:
       - minio_root_user
       - minio_root_password

test/services/docker-compose.yml

@@ -29,7 +29,7 @@ services:
       BACKUP_PRUNING_LEEWAY: 5s
     volumes:
       - pg_data:/backup/pg_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/ssh/docker-compose.yml

@@ -30,7 +30,7 @@ services:
     volumes:
       - ${KEY_DIR:-.}/id_rsa:/root/.ssh/id_rsa
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/swarm/docker-compose.yml

@@ -35,7 +35,7 @@ services:
       BACKUP_PRUNING_LEEWAY: 5s
     volumes:
       - pg_data:/backup/pg_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/tar/docker-compose.yml

@@ -7,7 +7,7 @@ services:
       BACKUP_COMPRESSION: none
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
       - ${LOCAL_DIR:-./local}:/archive
 
   offen:

test/user/docker-compose.yml

@@ -20,7 +20,7 @@ services:
     volumes:
       - ${LOCAL_DIR:-./local}:/archive
       - app_data:/backup/data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
 volumes:
   app_data:

test/webdav/docker-compose.yml

@@ -28,7 +28,7 @@ services:
       WEBDAV_PASSWORD: test
     volumes:
       - app_data:/backup/app_data:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/run/docker.sock:/var/run/docker.sock:ro
 
   offen:
     image: offen/offen:latest

test/zstd/run.sh

@@ -23,7 +23,7 @@ docker run --rm -q \
   --network test_network \
   -v app_data:/backup/app_data \
   -v $LOCAL_DIR:/archive \
-  -v /var/run/docker.sock:/var/run/docker.sock \
+  -v /var/run/docker.sock:/var/run/docker.sock:ro \
   --env BACKUP_COMPRESSION=zst \
   --env BACKUP_FILENAME='test.{{ .Extension }}' \
   --entrypoint backup \