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[Question] Installing Lemmy instance from docker -> 502 bad gateway (lemmy.world)

submitted 3 years ago by Solvena@lemmy.world to c/selfhosted@lemmy.world

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Hi, does anybody have an idea what the reason could be? I installed a lemmy instance on a VPS using the docker images. Beforehand I installed nginx and got a letsencrypt - certificate (which seems to have worked). I downloaded the nginx.conf file from github and made the configurations, also in the lemmy.config and docker-compose.yml files. However, I'm unsure if there's anything else I should look at. Any tips are welcome :)

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[–] Solvena@lemmy.world 1 points 3 years ago (1 children)

that seems to have been part of the problem, as I indeed had nginx running on the host as well. Now I get the error code "website cannot be reached" when I try to go to my instance in the browser.

I tried to follow the configuration for nginx as was in the template file on github, but I most probably have an error there. One thing confuses me, that's the ports for lemmy and the lemmy UI. I think they should be 8536 an 1235 respectively, but sometimes it says 1234 and 1236 for the UI port as well. Also in the template I'm using (https://github.com/LemmyNet/lemmy-ansible/blob/main/templates/nginx.conf#L63) there is only one section to enter ports: proxy_pass http://0.0.0.0:{{lemmy_port}}; - which port do I enter here?

if you happen to know, please let me know :)

[–] footty@lemmy.world 1 points 3 years ago

That is a conf for the host system nginx, in which you enter the lemmy port defined on the left side of your proxy service's port section.

...
ports:
      # actual and only port facing any connection from outside
      # Note, change the left number if port 1236 is already in use on your system
      # You could use port 80 if you won't use a reverse proxy
      - "{{ lemmy_port }}:8536"