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Q: Lemmy and Mastodon instances behind existing reverse proxy (lemmy.world)

submitted 1 year ago by Solvena@lemmy.world to c/selfhosted@lemmy.world

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This is a slow learning process for me and some of you already helped me a lot to figure out reverse proxies in general. However, I'm not there yet ... so:

How can I set up Lemmy (and Mastodon down the line) behind my existing reverse proxy? I'm trying to install from docker and the docker compose files come with templates for reverse proxy configuration, but these are (probably) only valid, if I'm installing on a dedicated server with nothing else running there.

I tried commenting out the stuff for the proxy configuration, but I can't seem to get it to work. The Lemmy install ends up with 5 docker containers (lemmy, lemmy-ui, ....) and I'm not sure which of them need to be adressed by my proxxy setup. Just getting the lemmy-ui container addressed by nginx didn't work out.

I'm probably way out of my league with what I'm trying here, but if any of you have some useful tips I'd be really grateful.

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[–] sleepybear@lemmy.myspamtrap.com 1 points 1 year ago

Depends a lot on your existing reverse proxy.

You can read the nginx config that the defaults include and it’s some basic rules to route incoming requests to either lemmy or lemmy-ui. If your existing reverse proxy is nginx you could just incorporate the rules in there.

It also depends on why you need it behind the existing proxy, and how you’ll choose to route your traffic, and where you traffic is coming from in general.

I’d start with taking a look at the default nginx config to see if you can move those rules to your existing reverse proxy, or just forward everything coming in that’s for lemmy straight to the lemmy reverse proxy, although that might be more complicated in correctly preserving the incoming requests.