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Document usage with rootless Docker installations

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As described in #189
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Frederik Ring 2023-02-16 08:18:57 +01:00
parent 550833be33
commit 5adfe3989e
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README.md
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@ -30,6 +30,7 @@ It handles __recurring or one-off backups of Docker volumes__ to a __local direc
- [Replace deprecated `BACKUP_FROM_SNAPSHOT` usage](#replace-deprecated-backup_from_snapshot-usage)
- [Replace deprecated `exec-pre` and `exec-post` labels](#replace-deprecated-exec-pre-and-exec-post-labels)
- [Using a custom Docker host](#using-a-custom-docker-host)
- [Use with rootless Docker](#use-with-rootless-docker)
- [Run multiple backup schedules in the same container](#run-multiple-backup-schedules-in-the-same-container)
- [Define different retention schedules](#define-different-retention-schedules)
- [Use special characters in notification URLs](#use-special-characters-in-notification-urls)
@ -782,7 +783,7 @@ services:
- docker-volume-backup.archive-post=rm -rf /tmp/backup/my-app
backup:
image: offen/docker-volume-backup:latest
image: offen/docker-volume-backup:v2
environment:
BACKUP_SOURCES: /tmp/backup
volumes:
@ -820,6 +821,23 @@ DOCKER_HOST=tcp://docker_socket_proxy:2375
In case you are using a socket proxy, it must support `GET` and `POST` requests to the `/containers` endpoint. If you are using Docker Swarm, it must also support the `/services` endpoint. If you are using pre/post backup commands, it must also support the `/exec` endpoint.
### Use with rootless Docker
It's also possible to use this image with a [rootless Docker installation][rootless-docker].
Instead of mounting `/var/run/docker.sock`, mount the user-specific socket into the container:
```yml
services:
backup:
image: offen/docker-volume-backup:v2
# ... configuration omitted
volumes:
- backup:/backup:ro
- /run/user/1000/docker.sock:/var/run/docker.sock:ro
```
[rootless-docker]: https://docs.docker.com/engine/security/rootless/
### Run multiple backup schedules in the same container
Multiple backup schedules with different configuration can be configured by mounting an arbitrary number of configuration files (using the `.env` format) into `/etc/dockervolumebackup/conf.d`: