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submitted 1 year ago* (last edited 1 year ago) by ThorfinnOfThors@lemmy.ml to c/lemmy_support@lemmy.ml

I followed the docker installation instructions and added the certificate successfully but I get this status:

400 Bad Request | nginx

host nginx error logs:

2023/06/11 12:12:45 [debug] 10161#10161: *16 http upstream process header
2023/06/11 12:12:45 [error] 10161#10161: *16 connect() failed (111: Connection refused) while connecting to upstream, client: 198.199.109.53, server: mydomain.tld, request: "GET /version HTTP/1.1", upstream: "http://127.0.0.1:82/version", host: "xxx.xxx.xx.xxx"
2023/06/11 12:12:45 [debug] 10161#10161: *16 http next upstream, 2
2023/06/11 12:12:45 [debug] 10161#10161: *16 free rr peer 2 4
2023/06/11 12:12:45 [warn] 10161#10161: *16 upstream server temporarily disabled while connecting to upstream, client: 198.199.109.53, server: mydomain.tld, request: "GET /version HTTP/1.1", upstream: "http://127.0.0.1:82/version", host: "xxx.xxx.xx.xxx"

I replaced my host IP and domain for privacy

Please see my comments below for more info. I tried putting all text here in the body but it won't let me post.

EDIT: It is now fixed! What I did is replace the following line in my host nginx:

location / {
         proxy_pass http://localhost:82;
         proxy_set_header Host $host;  <---- replace this
         include proxy_params;
    }

With this:

location / {
         proxy_pass http://127.0.0.1:82;
         proxy_set_header Connection "keep-alive, Upgrade";
         proxy_set_header Upgrade websocket;
         include proxy_params;
    }

And thanks to @frozen@lemmy.frozeninferno.xyz who pointed me in the right direction to allow search to other instances:

networks:
  # communication to web and clients
  lemmyexternalproxy:
  lemmybridge:  <<----- added this
  # communication between lemmy services
  lemmyinternal:
    driver: bridge
    internal: true

services:
  proxy:
    image: nginx:1-alpine
    networks:
      - lemmyinternal
      - lemmyexternalproxy
      - lemmybridge  <<----- added this

  lemmy:
    image: dessalines/lemmy:0.17.3
    hostname: lemmy
    networks:
      - lemmyinternal
      - lemmybridge <<----- added this
 
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[-] ThorfinnOfThors@lemmy.ml 2 points 1 year ago

docker-compose

spoiler

version: "3.3"

networks:
  # communication to web and clients
  lemmyexternalproxy:
  # communication between lemmy services
  lemmyinternal:
    driver: bridge
    internal: true

services:
  proxy:
    image: nginx:1-alpine
    networks:
      - lemmyinternal
      - lemmyexternalproxy
    ports:
      # only ports facing any connection from outside
      - "127.0.0.1:82:80"
      - "127.0.0.1:444:443"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      # setup your certbot and letsencrypt config
      - ./certbot:/var/www/certbot
      - ./letsencrypt:/etc/letsencrypt/live
      - ./nginx/logs:/var/log/nginx
    restart: always
    depends_on:
      - pictrs
      - lemmy-ui

  lemmy:
    image: dessalines/lemmy:0.17.3
    hostname: lemmy
    networks:
      - lemmyinternal
    restart: always
    environment:
      - RUST_LOG="warn,lemmy_server=warn,lemmy_api=info,lemmy_api_common=info,lemmy_api_crud=info,lemmy_apub=info,lemmy_db_schema=info,lemmy_db_views=info,lemmy_db_views_actor=info,lemmy_db_views_moderator=info,lemmy_routes=info,lemmy_utils=info,lemmy_websocket=info"
    volumes:
      - ./lemmy.hjson:/config/config.hjson
    depends_on:
      - postgres
      - pictrs

  lemmy-ui:
    image: dessalines/lemmy-ui:0.17.3
    networks:
      - lemmyinternal
    environment:
      # this needs to match the hostname defined in the lemmy service
      - LEMMY_UI_LEMMY_INTERNAL_HOST=lemmy:8536
      # set the outside hostname here
      - LEMMY_UI_LEMMY_EXTERNAL_HOST=localhost:1236
      - LEMMY_HTTPS=true
    depends_on:
      - lemmy
    restart: always

  pictrs:
    image: asonix/pictrs:0.3.1
    # this needs to match the pictrs url in lemmy.hjson
    hostname: pictrs
    # we can set options to pictrs like this, here we set max. image size and forced format for conversion
    # entrypoint: /sbin/tini -- /usr/local/bin/pict-rs -p /mnt -m 4 --image-format webp
    networks:
      - lemmyinternal
    environment:
      - PICTRS__API_KEY=my_key
    user: 991:991
    volumes:
      - ./volumes/pictrs:/mnt
    restart: always

  postgres:
    image: postgres:15-alpine
    # this needs to match the database host in lemmy.hson
    hostname: postgres
    networks:
      - lemmyinternal
    environment:
      - POSTGRES_USER=lemmy
      - POSTGRES_PASSWORD=mypass
      - POSTGRES_DB=lemmy
    volumes:
      - ./volumes/postgres:/var/lib/postgresql/data
    restart: always

[-] frozen@lemmy.frozeninferno.xyz 3 points 1 year ago

The lemmy service needs access to the external network, too. It's not in the docs, but there's a bug on GitHub about it (on mobile, can't find it).

I created a third network called lemmybridge and added it to my lemmy service definition.

Thank you for the tip, I've been fighting this damn problem for hours trying to figure out why my instance wasn't able to make external requests.

Popped in a third network into the docker compose file and now things seem to be working

this post was submitted on 11 Jun 2023
6 points (100.0% liked)

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