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Docker Mailserver
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docker-mailserver
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User Management
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Best Practices
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DMARC
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SPF
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< h1 > Update and Cleanup< / h1 >
< h2 id = "automatic-update" > < a class = "toclink" href = "#automatic-update" > Automatic Update< / a > < / h2 >
< p > Docker images are handy but it can get a a hassle to keep them updated. Also when a repository is automated you want to get these images when they get out.< / p >
< p > One could setup a complex action/hook-based workflow using probes, but there is a nice, easy to use docker image that solves this issue and could prove useful: < a href = "https://hub.docker.com/r/containrrr/watchtower" > < code > watchtower< / code > < / a > .< / p >
< p > A docker-compose example:< / p >
< div class = "highlight" > < pre > < span > < / span > < code > < span class = "nt" > services< / span > < span class = "p" > :< / span >
< span class = "nt" > watchtower< / span > < span class = "p" > :< / span >
< span class = "nt" > restart< / span > < span class = "p" > :< / span > < span class = "l l-Scalar l-Scalar-Plain" > always< / span >
< span class = "nt" > image< / span > < span class = "p" > :< / span > < span class = "l l-Scalar l-Scalar-Plain" > containrrr/watchtower:latest< / span >
< span class = "nt" > volumes< / span > < span class = "p" > :< / span >
< span class = "p p-Indicator" > -< / span > < span class = "l l-Scalar l-Scalar-Plain" > /var/run/docker.sock:/var/run/docker.sock< / span >
< / code > < / pre > < / div >
< p > For more details, see the < a href = "https://containrrr.github.io/watchtower/" > manual< / a > < / p >
< h2 id = "automatic-cleanup" > < a class = "toclink" href = "#automatic-cleanup" > Automatic Cleanup< / a > < / h2 >
< p > When you are pulling new images in automatically, it would be nice to have them cleaned up as well. There is also a docker image for this: < a href = "https://hub.docker.com/r/spotify/docker-gc/" > < code > spotify/docker-gc< / code > < / a > .< / p >
< p > A docker-compose example:< / p >
< div class = "highlight" > < pre > < span > < / span > < code > < span class = "nt" > services< / span > < span class = "p" > :< / span >
< span class = "nt" > docker-gc< / span > < span class = "p" > :< / span >
< span class = "nt" > restart< / span > < span class = "p" > :< / span > < span class = "l l-Scalar l-Scalar-Plain" > always< / span >
< span class = "nt" > image< / span > < span class = "p" > :< / span > < span class = "l l-Scalar l-Scalar-Plain" > spotify/docker-gc:latest< / span >
< span class = "nt" > volumes< / span > < span class = "p" > :< / span >
< span class = "p p-Indicator" > -< / span > < span class = "l l-Scalar l-Scalar-Plain" > /var/run/docker.sock:/var/run/docker.sock< / span >
< / code > < / pre > < / div >
< p > For more details, see the < a href = "https://github.com/spotify/docker-gc/blob/master/README.md" > manual< / a > < / p >
< p > Or you can just use the < a href = "https://containrrr.github.io/watchtower/arguments/#cleanup" > < code > --cleanup< / code > < / a > option provided by < code > containrrr/watchtower< / code > .< / p >
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