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Passing a full duration as retention period is more flexible

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Frederik Ring
2025-02-06 15:33:08 +01:00
parent 23756074f9
commit 378217e517
6 changed files with 23 additions and 7 deletions
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7
docs/how-tos/automatically-prune-old-backups.md
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@@ -7,7 +7,8 @@ nav_order: 3
# Automatically prune old backups
When `BACKUP_RETENTION_DAYS` is configured, the command will check if there are any archives in the remote storage backend(s) or local archive that are older than the given retention value and rotate these backups away.
When `BACKUP_RETENTION_PERIOD` is configured, the command will check if there are any archives in the remote storage backend(s) or local archive that are older than the given retention value and rotate these backups away.
The value is a duration as per Go's [`time.ParseDuration`][duration].
{: .note }
Be aware that this mechanism looks at __all files in the target bucket or archive__, which means that other files that are older than the given deadline are deleted as well.
@@ -23,7 +24,7 @@ services:
environment:
BACKUP_FILENAME: backup-%Y-%m-%dT%H-%M-%S.tar.gz
BACKUP_PRUNING_PREFIX: backup-
BACKUP_RETENTION_DAYS: '7'
BACKUP_RETENTION_PERIOD: '168h'
volumes:
- ${HOME}/backups:/archive
- data:/backup/my-app-backup:ro
@@ -32,3 +33,5 @@ services:
volumes:
data:
```
[duration]: https://pkg.go.dev/time#ParseDuration