this post was submitted on 22 Aug 2025
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Does anyone have any experience in successfully self-hosting Signal server using docker?

Thanks in advance.

EDIT: Thanks all for your response. I gave up on Signal and installing Matrix server instead.

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[–] UnfortunateShort@lemmy.world -1 points 4 weeks ago (2 children)

You cannot selfhost Signal, because the regular app won't connect to your server. You could probably bridge it to Matrix I guess? I'm pretty sure it's a thing, but I see little benefit here, besides your phone not connecting to Signal and your messages being collected in one app, if you so desire.

[–] KarnaSubarna@lemmy.ml 6 points 4 weeks ago

I though Signal Android client is open source and I can changed the server url if I can get server selfhosted.

[–] chrisp@cyberplace.social 2 points 4 weeks ago (1 children)

@UnfortunateShort @KarnaSubarna I think you are right about the official client, they really want to own the service so you can only connect to their decentralized service via their centralized servers 🙄 I haven't done it, but I think you can run your own client, either modifying and building it yourself, or surely one of the existing forks can connect to arbitrary servers? But anyone who wants to use your server will have to also use one of the forks.

[–] chrisp@cyberplace.social 2 points 4 weeks ago

@UnfortunateShort @KarnaSubarna And you'll want to audit the client code of the fork, including dependencies and make sure it is keeping up to date with official development for security patches. And Signal may try to break the interoperability at some point in the future.