Traefik + Docker Compose

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This is a very popular configuration to get an easy reverse proxy up and running with Traefik and Docker Compose.

Add Traefik to your Docker Compose file

version: '3.8'
services:
  postiz:
    ##
    ## Include all the other configuration from the standard compose example. 
    ##
 
    labels:
      # Router for frontend (on port 3000)
      - "traefik.http.routers.backend.rule=Host(`api.postiz.example.lan`)"  # Replace with your domain
      - "traefik.http.services.backend.loadbalancer.server.port=3000"  # Internal port for backend
      - "traefik.http.routers.backend.entrypoints=websecure"  # Define entrypoint (default http)
      - "traefik.http.routers.backend.tls=true"  # Disable TLS for HTTP (you can enable it if needed)
 
      # Router for backend (on port 4200)
      - "traefik.http.routers.backend.rule=Host(`postiz.example.lan`)"  # Replace with your domain
      - "traefik.http.services.backend.loadbalancer.server.port=4200"  # Internal port for backend
      - "traefik.http.routers.backend.entrypoints=websecure"  # Define entrypoint (default http)
      - "traefik.http.routers.backend.tls=true"  # Disable TLS for HTTP (you can enable it if needed)
 
 
  traefik:
    image: "traefik:v2.9"
    container_name: "traefik"
    command:
      #- "--log.level=DEBUG"
      - "--api.insecure=true"
      - "--api.dashboard=true"
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--entrypoints.websecure.address=:443"
    ports:
      - "443:443"
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    networks:
      - postiz-network

Caddy Configuration Reference