Example setup of a lightning+postgres docker-compose setup - The matrix proxy isn't working yet, so the nginx setup is not needed yet - fluxer support requires this fork for now: https://codeberg.org/Seneral/lightning

docker-compose.yml

x-db-credentials: &db-credentials
  POSTGRES_USER: &db-user PICK_A_USER
  POSTGRES_PASSWORD: &db-password PICK_A_PW
  POSTGRES_DB: &db-name PICK_A_NAME

services:
  # Bridge  
  lightning:
    image: codeberg.org/jersey/lightning:latest
    container_name: lightning_bridge
    restart: unless-stopped
    ports:
      - "127.0.0.1:7545:7545" # This is the internal matrix proxy_port
    networks:
      - lightning
    depends_on:
      db:
        condition: service_healthy
    volumes:
      - ./config:/data

  # Postgres database
  db:
    image: postgres:18-alpine
    container_name: lightning_db
    restart: unless-stopped
    expose:
      - "5432"
    networks:
      - lightning
    environment:
      <<: *db-credentials
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -d $${POSTGRES_DB} -U $${POSTGRES_USER}"]
      interval: 10s
      timeout: 5s
      retries: 6
    volumes:
      - type: volume
        source: lightning-data
        target: /var/lib/postgresql

networks:
  lightning:

volumes:
  lightning-data:

lightning.toml

database  = "postgres://PICK_A_USER:PICK_A_PW@db:5432/PICK_A_NAME"
prefix    = "!"
username  = "lightning"

[[plugins]]
type         = "discord"
name         = "Discord"
config.token = "nay"

[[plugins]]
type           = "discord"
name           = "Fluxer"
config.product = "fluxer"
config.token   = "nay"

[[plugins]]
type         = "stoat"
config.token = "nay"

[[plugins]]
type                = "matrix"
config.access_token = "nay"
config.homeserver   = "https://matrix-client.matrix.org"
config.mxid         = "@botname:matrix.org"
config.proxy_url    = "https://your.bridge.domain/matrix"
config.proxy_port   = "7545"

nginx-bridge

upstream lightning {
  server localhost:7545;
}

server {
    listen 443 ssl;
    server_name your.bridge.domain;

    ssl_certificate     /etc/letsencrypt/live/your.bridge.domain/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/your.bridge.domain/privkey.pem;

    location / {
        return 404;
    }

    # Serve public lightning endpoints
    location ~* ^/(matrix) {
        proxy_pass          http://lightning;
        proxy_set_header    Host                $http_host;
        proxy_set_header    X-Real-IP           $remote_addr;
        proxy_set_header    X-Forwarded-For     $proxy_add_x_forwarded_for;
    }
}