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Add label to optionally skip container restart after backup (#659)

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* Add label to optionally skip container restart after backup

* Add new mutually exclusive label instead

* Simplified `hasLabel`

* removed unnecessary else block

* added new test-case `no-restart` based on test-case `local`

* removed invalid README entry

* added new section to how-tos

* Added configuration reference
This commit is contained in:
Jean Michel
2025-11-01 10:52:56 +01:00
committed by GitHub
parent 52234592b2
commit 60482b2045
7 changed files with 307 additions and 114 deletions
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26
docs/how-tos/stop-containers-during-backup.md
View File

@@ -34,3 +34,29 @@ services:
volumes:
data:
```
## Stop containers during backup without restarting
Sometimes you might want to stop containers for the backup but not have them start again automatically, for example if they are normally started by an external process or scheduler.
For this use case, you can use the label `docker-volume-backup.stop-during-backup-no-restart`.
This label is **mutually exclusive** with `docker-volume-backup.stop-during-backup` and performs the same stop operation but skips restarting the container after the backup has finished.
```yml
services:
app:
# definition for app ...
labels:
- docker-volume-backup.stop-during-backup-no-restart=service2
backup:
image: offen/docker-volume-backup:v2
environment:
BACKUP_STOP_DURING_BACKUP__NO_RESTART_LABEL: service2
volumes:
- data:/backup/my-app-backup:ro
- /var/run/docker.sock:/var/run/docker.sock:ro
volumes:
data:
```

7
docs/reference/index.md
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@@ -539,6 +539,13 @@ The values for each key currently match its default.
# you can override this default by specifying a different string value here.
# BACKUP_STOP_DURING_BACKUP_LABEL="true"
# Containers or services can also be stopped for the duration of the backup
# without being restarted afterwards by applying a
# `docker-volume-backup.stop-during-backup-no-restart` label. This behaves the
# same as `docker-volume-backup.stop-during-backup` but is mutually exclusive and
# skips restarting the container or service once the backup has finished.
# BACKUP_STOP_DURING_BACKUP_NO_RESTART_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