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Backup - get container ID automatically from docker-compose

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Backup documentation to show how to use "docker-compose -f local.yml ps -q postgres" to get the container ID instead of hard coding it.
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Mike97M 2021-07-14 16:06:38 +03:00 committed by GitHub
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docs/docker-postgres-backups.rst
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@ -55,8 +55,11 @@ With a single backup file copied to ``.`` that would be ::
$ docker cp 9c5c3f055843:/backups/backup_2018_03_13T09_05_07.sql.gz .
.. _`command`: https://docs.docker.com/engine/reference/commandline/cp/
You can also get the container ID using ``docker-compose -f local.yml ps -q postgres`` so if you want to automate your backups, you don't have to check the container ID manually every time. Here is the full command ::
$ docker cp $(docker-compose -f local.yml ps -q postgres):/backups ./backups
.. _`command`: https://docs.docker.com/engine/reference/commandline/cp/
Restoring from the Existing Backup
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