docker-compose.yml

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
  #    - 80:80
  #    - 443:443
  #  volumes:
  #    - ./nginx.conf:/etc/nginx/nginx.conf:ro
  #    # setup your certbot and letsencrypt config
  #    - ./certbot:/var/www/certbot
  #    - ./letsencrypt:/etc/letsencrypt/live
  #  restart: always
  #  depends_on:
  #    - pictrs
  #    - lemmy-ui
  #  logging:
  #    driver: "json-file"
  #    options:
  #      max-size: "100m"
  #
  lemmy:
    image: dessalines/lemmy:0.17.4
    hostname: lemmy
    networks:
      - lemmyinternal
      - lemmyexternalproxy
    ports:
      - 8536:8536
    restart: always
    environment:
      - RUST_LOG="warn,lemmy_server=warn,lemmy_api=warn,lemmy_api_common=warn,lemmy_api_crud=warn,lemmy_apub=warn,lemmy_db_schema=warn,lemmy_db_views=warn,lemmy_db_views_actor=warn,lemmy_db_views_moderator=warn,lemmy_routes=warn,lemmy_utils=warn,lemmy_websocket=warn"
    volumes:
      - ./lemmy.hjson:/config/config.hjson
    depends_on:
      - postgres
      - pictrs
    logging:
      driver: "json-file"
      options:
        max-size: "100m"

  lemmy-ui:
    image: dessalines/lemmy-ui:0.17.4
    networks:
      - lemmyinternal
      - lemmyexternalproxy
    ports:
      - 1234:1234
    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=u.fail
      - LEMMY_HTTPS=true
    depends_on:
      - lemmy
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
    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=API_KEY
    user: 991:991
    volumes:
      - ./volumes/pictrs:/mnt
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
    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=CustomPassword
      - POSTGRES_DB=lemmy
    volumes:
      - ./volumes/postgres:/var/lib/postgresql/data
    shm_size: 6g
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
    restart: always