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Are there any concerns/risks to using Watchtower? (alien.top)

submitted 1 year ago by notdoreen@alien.top to c/main@selfhosted.forum

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Someone recommended it for keeping my containers up to date automatically. I checked out the repo and it seems too good to be true. It just updates your containers when a new image is available and everything just works out of the box? I'm a bit scared of just leaving it alone in case it might break something. The fact that it doesn't come with a gui also scares me a bit.

Does anyone here use it and can recommend it? Any horror stories?

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[–] ProbablePenguin@alien.top 1 points 1 year ago

Watchtower itself works great, it doesn't need a GUI for what it does.

But updating containers in general, either manually or automatically, always carries a risk of something breaking due to the new update.

One thing you can do is make sure you're not using :latest tags in your compose files, and instead pin major versions like postgres:13

And of course make sure you have backups going back multiple points in time in case something does break, and test those backups!