Add further docs on backup selection when using conf.d

This commit is contained in:
Frederik Ring 2022-07-08 14:05:45 +02:00
parent d68814be9d
commit 82f66565da

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@ -787,6 +787,25 @@ The exact order of schedules that use the same cron expression is not specified.
In case you need your schedules to overlap, you need to create a dedicated container for each schedule instead.
When changing the configuration, you currently need to manually restart the container for the changes to take effect.
Set `BACKUP_SOURCES` for each config file to control which subset of volume mounts gets backed up:
```yml
# With a volume configuration like this:
volumes:
- /var/run/docker.sock:/var/run/docker.sock:ro
- ./configuration:/etc/dockervolumebackup/conf.d
- app1_data:/backup/app1_data:ro
- app2_data:/backup/app2_data:ro
```
```ini
# In the 1st config file:
BACKUP_SOURCES=/backup/app1_data
# In the 2nd config file:
BACKUP_SOURCES=/backup/app2_data
```
### Define different retention schedules
If you want to manage backup retention on different schedules, the most straight forward approach is to define a dedicated configuration for retention rule using a different prefix in the `BACKUP_FILENAME` parameter and then run them on different cron schedules.