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80 lines
3.2 KiB
Markdown
80 lines
3.2 KiB
Markdown
<a href="https://www.offen.dev/">
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<img src="https://offen.github.io/press-kit/offen-material/gfx-GitHub-Offen-logo.svg" alt="Offen logo" title="Offen" width="150px"/>
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</a>
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# docker-volume-backup
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Backup Docker volumes locally or to any S3, WebDAV, Azure Blob Storage, Dropbox or SSH compatible storage.
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The [offen/docker-volume-backup](https://hub.docker.com/r/offen/docker-volume-backup) Docker image can be used as a lightweight (below 15MB) companion container to an existing Docker setup.
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It handles __recurring or one-off backups of Docker volumes__ to a __local directory__, __any S3, WebDAV, Azure Blob Storage, Dropbox or SSH compatible storage (or any combination thereof) and rotates away old backups__ if configured. It also supports __encrypting your backups using GPG__ and __sending notifications for (failed) backup runs__.
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Documentation is found at <https://offen.github.io/docker-volume-backup>
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- [Quickstart](https://offen.github.io/docker-volume-backup)
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- [Configuration Reference](https://offen.github.io/docker-volume-backup/reference/)
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- [How Tos](https://offen.github.io/docker-volume-backup/how-tos/)
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- [Recipes](https://offen.github.io/docker-volume-backup/recipes/)
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---
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## Quickstart
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### Recurring backups in a compose setup
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Add a `backup` service to your compose setup and mount the volumes you would like to see backed up:
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```yml
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version: '3'
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services:
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volume-consumer:
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build:
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context: ./my-app
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volumes:
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- data:/var/my-app
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labels:
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# This means the container will be stopped during backup to ensure
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# backup integrity. You can omit this label if stopping during backup
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# not required.
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- docker-volume-backup.stop-during-backup=true
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backup:
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# In production, it is advised to lock your image tag to a proper
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# release version instead of using `latest`.
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# Check https://github.com/offen/docker-volume-backup/releases
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# for a list of available releases.
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image: offen/docker-volume-backup:latest
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restart: always
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env_file: ./backup.env # see below for configuration reference
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volumes:
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- data:/backup/my-app-backup:ro
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# Mounting the Docker socket allows the script to stop and restart
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# the container during backup. You can omit this if you don't want
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# to stop the container. In case you need to proxy the socket, you can
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# also provide a location by setting `DOCKER_HOST` in the container
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- /var/run/docker.sock:/var/run/docker.sock:ro
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# If you mount a local directory or volume to `/archive` a local
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# copy of the backup will be stored there. You can override the
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# location inside of the container by setting `BACKUP_ARCHIVE`.
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# You can omit this if you do not want to keep local backups.
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- /path/to/local_backups:/archive
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volumes:
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data:
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```
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### One-off backups using Docker CLI
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To run a one time backup, mount the volume you would like to see backed up into a container and run the `backup` command:
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```console
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docker run --rm \
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-v data:/backup/data \
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--env AWS_ACCESS_KEY_ID="<xxx>" \
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--env AWS_SECRET_ACCESS_KEY="<xxx>" \
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--env AWS_S3_BUCKET_NAME="<xxx>" \
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--entrypoint backup \
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offen/docker-volume-backup:v2
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```
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Alternatively, pass a `--env-file` in order to use a full config as described below.
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