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What's the biggest docker footgun you've experienced?
(programming.dev)
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The biggest footgun I encounter every time I set up a raspberry pi or other linux host for a side project is forgetting that Docker doesn't do log rotation for containers' logs by default, which results in the service going down and seeing a sweat inducing ENOSPC error when you ssh in to check it out.
You can configure this by creating
/etc/docker/daemon.json
and either setting up log rotation withlog-opts
or using thelocal
logging driver (it defaults tojson
) if you're not shipping container logs anywhere and just read the logs locally. Thelocal
driver compresses the logs and automatically does log rotation: