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→Remark: persistent storage in the container
== Remark: persistent storage in the container ==
A container brings its own temporary file system, everything which is written to it will by default not impact the host. After the container terminates, all data which was stored on its this temporary filesystem is lost. To write to persistent storage from inside the container which survives container destruction, you have to mount a host filesystem. This can be done in the docker-compose.yml like this (add to the "application" container section):
<syntaxhighlight lang="bash">
