https://github.com/RealOrangeOne/docker-db-auto-backup

A script to automatically back up all databases running under docker on a host
https://github.com/RealOrangeOne/docker-db-auto-backup

backup database docker mariadb mysql postgresql

Last synced: about 2 months ago
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A script to automatically back up all databases running under docker on a host

• Host: GitHub
• URL: https://github.com/RealOrangeOne/docker-db-auto-backup
• Owner: RealOrangeOne
• License: bsd-3-clause
• Created: 2021-09-08T20:44:23.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2024-10-24T15:57:33.000Z (2 months ago)
• Last Synced: 2024-10-26T22:52:31.101Z (2 months ago)
• Topics: backup, database, docker, mariadb, mysql, postgresql
• Language: Python
• Homepage: https://theorangeone.net/projects/docker-db-auto-backup/
• Size: 125 KB
• Stars: 113
• Watchers: 6
• Forks: 10
• Open Issues: 14
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# docker-db-auto-backup

![](https://github.com/RealOrangeOne/docker-db-auto-backup/workflows/CI/badge.svg)

A script to automatically back up all databases running under docker on a host, with optional compression support.

## Supported databases

- MariaDB

- MySQL

- PostgreSQL

- Redis

## Installation

This container requires access to the docker socket. This can be done either by mounting `/var/lib/docker.sock`, or using a HTTP proxy to provide it through `$DOCKER_HOST`.

Mount your backup directory as `/var/backups` (or override `$BACKUP_DIR`). Backups will be saved here based on the name of the container. Backups are not dated or compressed.

Backups run daily at midnight. To change this, add a cron-style schedule to `$SCHEDULE`. For more information on the format of the cron strings, please see the [croniter documentation on PyPI](https://pypi.org/project/croniter/).

### Success hooks

When backups are completed successfully, a request can be made to the URL defined in `$SUCCESS_HOOK_URL`. By default, a `GET` request is made. To include logs, also set `$INCLUDE_LOGS` to a non-empty value, which sends a `POST` request instead with helpful details in the body.

Note: Previous versions also supported `$HEALTHCHECKS_ID`, `$HEALTHCHECKS_HOST` and `$UPTIME_KUMA_URL`, or native support for [healthchecks.io](https://healthchecks.io) and [Uptime Kuma](https://github.com/louislam/uptime-kuma/) respectively. These are all still supported, however `$SUCCESS_HOOK_URL` is preferred.

### Compression

Files are backed up uncompressed by default, on the assumption a snapshotting or native compressed filesystem is being used (eg ZFS). To enable compression, set `$COMPRESSION` to one of the supported algorithms:

- `gzip`

- `lzma` / `xz`

- `bz2`

- `plain` (no compression - the default)

### Example `docker-compose.yml`

```yml

version: "2.3"

services:

  backup:

    image: ghcr.io/realorangeone/db-auto-backup:latest

    restart: unless-stopped

    volumes:

      - /var/run/docker.sock:/var/run/docker.sock:ro

      - ./backups:/var/backups

    environment:

      - SUCCESS_HOOK_URL=https://hc-ping.com/1234

      - INCLUDE_LOGS=true

```

### Oneshot

You may want to use this container to run backups just once, rather than on a schedule. To achieve this, set `$SCHEDULE` to an empty string, and the backup will run just once. This may be useful in conjunction with an external scheduler.