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How to trigger a container restart based on successful update/image change of another container? (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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Basically have watchtower monitor and update containers whenever new images are released. I've recently noticed that with searxng (using redis as db), hosted through nginx proxy manager, will have a steady downtime of about 15mins post update then come back online.

This is extremely frequent for searxng's case as I have watchtower run every day and my preferred way of running most of my containers is with the latest tag. The way out of this downtime in my experience is a restart of NPM which brings back the searxng service.

I'm looking for a way to automate a restart of the NPM container after a successful update of searxng's container.

I have checked the docs for watchtower, and the lifecycle hooks (a way to run sh scripts pre/post update) are able to run only from the applied container and not from the host system.

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[–] [email protected] 1 points 1 year ago

Yeah. We reach for what works, and sometimes they’re great, other times there may be better solutions. When a reverse proxy container restarts, there will be a brief disconnect/outage of everything it is proxying until it comes back. I think I’m this case there are other solutions available, but I trust you’ve also weighted the pros and cons of your decision. Hope you find the right tool that meets your objectives!