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[SOLVED] How to configure Lemmy instance nginx proxy for websockets? (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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I'm playing around with my own instance of Lemmy but I keep getting a "websocket connection failed" error in my console. I'm having a really hard time understanding how to set up nginx for websockets - I'm more used to Apache and not familiar with WS at all. Is there documentation hiding somewhere that will help me set up my proxy forwarding properly?

EDIT: Solved! Check out my solution here: https://lemmy.world/comment/141648. Thanks everyone!

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[–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (1 children)

You can try add these to your nginx conf inside location / {:

proxy_set_header Connection "keep-alive, Upgrade";
proxy_set_header Upgrade websocket;

like this:

location / {
         .... 
         proxy_set_header Connection "keep-alive, Upgrade";
         proxy_set_header Upgrade websocket;
}

I launched my instance last weekend and this was my issue as too.

[–] [email protected] 2 points 1 year ago

It's turns out, my issue was that I had nginx on both the host and Docker container, so the host wasn't forwarding the websocket requests like this. I just removed the host nginx and configured the Docker conf to look at port 80 and it worked!