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version: "3.3"
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services:
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database:
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image: docker.io/library/mariadb
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volumes:
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my_vol:
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labels:
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# - if executed inside a service, commands have the same environment vars available
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# - the volume will be cleared before restoring
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# - the command will always be executed where the volume is mounted
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# - you can access secrets in files by using $(cat $SECRET_FILE)
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# === Backups
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# - backup/restore commands need to write to STDOUT / read from STDIN
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# enable backups of this volume (defaults to true)
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work.banananet.podman.backup.enable: "true"
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# container/service to run commands in (takes precedence over .image)
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# service will ignore .stop if required
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work.banananet.podman.backup.container: database
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# image to use to run commands (by default docker.io/library/debian:stable)
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work.banananet.podman.backup.image: NONE
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# mount target if backup is run in the image (defaults to /_volume)
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work.banananet.podman.backup.mount-target: /myvol
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# will stop compose to backup/restore volume (true/false, true by default)
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work.banananet.podman.backup.stop: "true"
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# backup command, executed in .container/.image
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work.banananet.podman.backup.backup-cmd: >-
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mysqldump --all-databases
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# restore command, executed in .container/.image
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work.banananet.podman.backup.restore-cmd: >-
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mysql --user=root --password=$MARIADB_ROOT_PASSWORD
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# === Compressing
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# - both commands must read from STDIN and write to STDOUT
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# - you may also compress inside the orignal container, this allows to compress outside or using another image
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# image to run compress commands in (defaults to host)
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work.banananet.podman.backup.compress-image: # meaning host
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# command to compress backup (none by default)
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work.banananet.podman.backup.compress-cmd: gzip -9 -
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# command to decompress backup on restore ("<.compress-cmd> -d" or none by default)
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work.banananet.podman.backup.decompress-cmd: gzip -9 -d -
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