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Are there any concerns/risks to using Watchtower? (alien.top)
submitted 2 years ago by [B] 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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[–] [B] 0 points 2 years ago (6 children)

If you want highly available system, then you should perform updates with a custom made script, where you can control update issues. Otherwise watchtower is good.

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  • [–] [B] 1 point 2 years ago

    Curious how a custom script to perform the update would be different than watchtower doing it? Is an automated update not an automated update regardless of what triggers it?

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  • [–] [B] 0 points 2 years ago (4 children)

    If you have a script like this any chance you could open source it?

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  • [–] [B] 1 point 2 years ago (2 children)

    My script looks like this: https://gist.github.com/dgalli1/010fb978bae509dda43a1f31145a530f

    And is ment to update docker-compose.yml files.

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  • [–] [B] 1 point 2 years ago

    Great script! Only thing I can recommend is adding a "docker image prune -af" command after all compose files have had new images pulled and are up…unless you want old images taking up hard drive space/you have a valid reason for keeping old images.

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  • [–] [B] 0 points 2 years ago

    You understand that at the point where they open source it and publish it it would be essentially watchtower right? The point of having a custom-made script is so that you can customize it to your specific needs if it's a generalized item then just use watchtower.

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