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⚠️ This project is no longer maintained

See https://github.com/containrrr/watchtower/discussions/2135 for details.

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<img src="./logo.png" width="450" />

Watchtower

A process for automating Docker container base image updates. <br/><br/>

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Quick Start

With watchtower you can update the running version of your containerized app simply by pushing a new image to the Docker Hub or your own image registry.

Watchtower will pull down your new image, gracefully shut down your existing container and restart it with the same options that were used when it was deployed initially. Run the watchtower container with the following command:

$ docker run --detach \
    --name watchtower \
    --volume /var/run/docker.sock:/var/run/docker.sock \
    containrrr/watchtower

Watchtower is intended to be used in homelabs, media centers, local dev environments, and similar. We do not recommend using Watchtower in a commercial or production environment. If that is you, you should be looking into using Kubernetes. If that feels like too big a step for you, please look into solutions like MicroK8s and k3s that take away a lot of the toil of running a Kubernetes cluster.

Documentation

The full documentation is available at https://containrrr.dev/watchtower.

Contributors

Thanks goes to these wonderful people (emoji key):

<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section --> <!-- prettier-ignore-start --> <!-- markdownlint-disable --> <table> <tbody> <tr> <td align="center" valign="top" width="14.28%"><a href="https://piksel.se"><img src="https://avatars2.githubusercontent.com/u/807383?v=4?s=100" width="100px;" alt="nils måsén"/><br />_{<b>nils måsén</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=piksel" title="Code">💻</a> <a href="https://github.com/containrrr/watchtower/commits?author=piksel" title="Documentation">📖</a> <a href="#maintenance-piksel" title="Maintenance">🚧</a> <a href="https://github.com/containrrr/watchtower/pulls?q=is%3Apr+reviewed-by%3Apiksel" title="Reviewed Pull Requests">👀</a></td> <td align="center" valign="top" width="14.28%"><a href="http://simme.dev"><img src="https://avatars0.githubusercontent.com/u/1596025?v=4?s=100" width="100px;" alt="Simon Aronsson"/><br />_{<b>Simon Aronsson</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=simskij" title="Code">💻</a> <a href="https://github.com/containrrr/watchtower/commits?author=simskij" title="Documentation">📖</a> <a href="#maintenance-simskij" title="Maintenance">🚧</a> <a href="https://github.com/containrrr/watchtower/pulls?q=is%3Apr+reviewed-by%3Asimskij" title="Reviewed Pull Requests">👀</a></td> <td align="center" valign="top" width="14.28%"><a href="http://codelica.com"><img src="https://avatars3.githubusercontent.com/u/386101?v=4?s=100" width="100px;" alt="James"/><br />_<b>James</b></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=Codelica" title="Tests">⚠️</a> <a href="#ideas-Codelica" title="Ideas, Planning, & Feedback">🤔</a></td> <td align="center" valign="top" width="14.28%"><a href="https://kopfkrieg.org"><img src="https://avatars2.githubusercontent.com/u/5047813?v=4?s=100" width="100px;" alt="Florian"/><br />_{<b>Florian</b>}</a><br /><a href="https://github.com/containrrr/watchtower/pulls?q=is%3Apr+reviewed-by%3AKopfKrieg" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/containrrr/watchtower/commits?author=KopfKrieg" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/bdehamer"><img src="https://avatars1.githubusercontent.com/u/398027?v=4?s=100" width="100px;" alt="Brian DeHamer"/><br />_{<b>Brian DeHamer</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=bdehamer" title="Code">💻</a> <a href="#maintenance-bdehamer" title="Maintenance">🚧</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/rosscado"><img src="https://avatars1.githubusercontent.com/u/16578183?v=4?s=100" width="100px;" alt="Ross Cadogan"/><br />_{<b>Ross Cadogan</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=rosscado" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/stffabi"><img src="https://avatars0.githubusercontent.com/u/9464631?v=4?s=100" width="100px;" alt="stffabi"/><br />_{<b>stffabi</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=stffabi" title="Code">💻</a> <a href="#maintenance-stffabi" title="Maintenance">🚧</a></td> </tr> <tr> <td align="center" valign="top" width="14.28%"><a href="https://github.com/ATCUSA"><img src="https://avatars3.githubusercontent.com/u/3581228?v=4?s=100" width="100px;" alt="Austin"/><br />_{<b>Austin</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=ATCUSA" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="https://labs.ctl.io"><img src="https://avatars2.githubusercontent.com/u/6181487?v=4?s=100" width="100px;" alt="David Gardner"/><br />_{<b>David Gardner</b>}</a><br /><a href="https://github.com/containrrr/watchtower/pulls?q=is%3Apr+reviewed-by%3Adavidgardner11" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/containrrr/watchtower/commits?author=davidgardner11" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/dolanor"><img src="https://avatars3.githubusercontent.com/u/928722?v=4?s=100" width="100px;" alt="Tanguy ⧓ Herrmann"/><br />_{<b>Tanguy ⧓ Herrmann</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=dolanor" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/rdamazio"><img src="https://avatars3.githubusercontent.com/u/997641?v=4?s=100" width="100px;" alt="Rodrigo Damazio Bovendorp"/><br />_{<b>Rodrigo Damazio Bovendorp</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=rdamazio" title="Code">💻</a> <a href="https://github.com/containrrr/watchtower/commits?author=rdamazio" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="https://www.taisun.io/"><img src="https://avatars3.githubusercontent.com/u/1852688?v=4?s=100" width="100px;" alt="Ryan Kuba"/><br />_{<b>Ryan Kuba</b>}</a><br /><a href="#infra-thelamer" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/cnrmck"><img src="https://avatars2.githubusercontent.com/u/22061955?v=4?s=100" width="100px;" alt="cnrmck"/><br />_{<b>cnrmck</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=cnrmck" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="http://harrywalter.co.uk"><img src="https://avatars3.githubusercontent.com/u/338588?v=4?s=100" width="100px;" alt="Harry Walter"/><br />_{<b>Harry Walter</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=haswalt" title="Code">💻</a></td> </tr> <tr> <td align="center" valign="top" width="14.28%"><a href="http://projectsperanza.com"><img src="https://avatars3.githubusercontent.com/u/74515?v=4?s=100" width="100px;" alt="Robotex"/><br />_{<b>Robotex</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=Robotex" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="http://geraldpape.io"><img src="https://avatars0.githubusercontent.com/u/1494211?v=4?s=100" width="100px;" alt="Gerald Pape"/><br />_{<b>Gerald Pape</b>}</a><br /><a href="https://github.com/containrrr/watchtower/commits?author=ubergesundheit" title="Documentation">📖</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/fomk"><img src="https://avatars0.githubusercontent.com/u/17636183?v=4?s=100" width="100px;" alt="fomk"/><br />_<b>fomk</b></a><br /><a href="https://github.com/containrrr/watchtower/commits?author=fomk" title="Code">💻</a></td> <td align="center" valign="top" width="14.28%"><a href="https://github.com/svengo"><img src="https://avata