docker-compose.yml

services:
  dst-master:
    build: .
    container_name: dst-master
    restart: unless-stopped
    ports:
      - "10999:10999/udp"
      - "27016:27016/udp"
      - "8766:8766/udp"
      # 10888 es el puerto inter-shard (UDP interno entre contenedores).
      # No se expone al host — Caves lo alcanza por la red interna de Docker.
    env_file: .env
    environment:
      - SHARD_NAME=Master
      - SKIP_UPDATE=false
    volumes:
      - dst-bin:/opt/dst_server
      - ./dst-data:/data
      - ./dedicated_server_mods_setup.lua:/tmp/dedicated_server_mods_setup.lua
      - steam-workshop:/home/steam/.steam/steam/steamapps
    healthcheck:
      # El puerto 10888 es UDP — nc -z (TCP) nunca funciona contra él.
      # En su lugar comprobamos que el proceso existe y que el log muestra
      # "Sim paused" o "Online Server Started", que DST imprime cuando el
      # mundo ha generado y el shard está listo para aceptar a Caves.
      test: ["CMD-SHELL", "pgrep -f dontstarve_dedicated > /dev/null && grep -q 'Online Server Started' /data/DoNotStarveTogether/Cluster_1/Master/server_log.txt"]
      interval: 15s
      timeout: 5s
      retries: 24        # 24 * 15s = 6 min de margen para generar mundo + descargar mods
      start_period: 30s
    deploy:
      resources:
        limits:
          memory: 4G

  dst-caves:
    build: .
    container_name: dst-caves
    restart: unless-stopped
    depends_on:
      dst-master:
        condition: service_healthy
    ports:
      - "11000:11000/udp"
      - "27017:27017/udp"
      - "8767:8767/udp"
    env_file: .env
    environment:
      - SHARD_NAME=Caves
      - SKIP_UPDATE=true
    volumes:
      - dst-bin:/opt/dst_server
      - ./dst-data:/data
      - ./dedicated_server_mods_setup.lua:/tmp/dedicated_server_mods_setup.lua
      - steam-workshop:/home/steam/.steam/steam/steamapps
    deploy:
      resources:
        limits:
          memory: 4G

volumes:
  dst-bin:
  steam-workshop: