modded-minecraft-server-infra/docker-compose.yml at main · ALevesqueDev/modded-minecraft-server-infra · GitHub

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version: "3.9"

# =============================================================================
# Modded Minecraft Server – Docker Compose
# =============================================================================
# Usage:
#   docker compose up -d          Start the server
#   docker compose down           Stop the server
#   docker compose logs -f        Follow logs
#   docker compose exec mc rcon-cli   Interactive RCON console
# =============================================================================

services:
  mc:
    build:
      context: ./docker
      dockerfile: Dockerfile
    container_name: minecraft_server
    restart: unless-stopped

    # -------------------------------------------------------------------------
    # Environment
    # -------------------------------------------------------------------------
    env_file:
      - .env
    environment:
      # itzg/minecraft-server variables
      EULA: "TRUE"
      TYPE: FORGE
      VERSION: ${MINECRAFT_VERSION:-1.20.1}
      MEMORY: ${MEMORY:-8G}
      USE_AIKAR_FLAGS: "true"
      JVM_XX_OPTS: ${JAVA_FLAGS:-}

      # Server settings
      DIFFICULTY: ${DIFFICULTY:-normal}
      MAX_PLAYERS: ${MAX_PLAYERS:-8}
      VIEW_DISTANCE: ${VIEW_DISTANCE:-8}
      SIMULATION_DISTANCE: ${SIMULATION_DISTANCE:-6}
      SERVER_NAME: ${SERVER_NAME:-Modded Minecraft Server}
      OPS: ${OPS:-}
      WHITELIST: ${WHITELIST:-}
      ENABLE_WHITELIST: ${ENABLE_WHITELIST:-FALSE}
      ONLINE_MODE: ${ONLINE_MODE:-true}

      # RCON (used by backup/stop scripts)
      ENABLE_RCON: "true"
      RCON_PORT: ${RCON_PORT:-25575}
      RCON_PASSWORD: ${RCON_PASSWORD:-changeme_rcon_password}

      # Modpack auto-install (handled by entrypoint)
      MODPACK_TYPE: ${MODPACK_TYPE:-ragnamod7sky}
      MODPACK_URL: ${MODPACK_URL:-}

      # Override UID/GID for file ownership
      PUID: ${UID:-1000}
      PGID: ${GID:-1000}

    # -------------------------------------------------------------------------
    # Ports
    # -------------------------------------------------------------------------
    ports:
      - "${SERVER_PORT:-25565}:25565/tcp"
      - "${SERVER_PORT:-25565}:25565/udp"
      - "${RCON_PORT:-25575}:25575"

    # -------------------------------------------------------------------------
    # Volumes
    # ./server-files → /data inside container (Minecraft working directory)
    # ./backups      → /backups inside container
    # -------------------------------------------------------------------------
    volumes:
      - ./server-files:/data
      - ./backups:/backups
      - ./config/server.properties:/data/server.properties:ro

    # -------------------------------------------------------------------------
    # Healthcheck – pings the RCON port every 30 s
    # -------------------------------------------------------------------------
    healthcheck:
      test:
        ["CMD-SHELL", "rcon-cli --port \"$$RCON_PORT\" --password \"$$RCON_PASSWORD\" list >/dev/null 2>&1 || exit 1"]
      interval: 60s
      timeout: 10s
      retries: 3
      start_period: 600s

    # -------------------------------------------------------------------------
    # Resources (adjust for your host)
    # -------------------------------------------------------------------------
    mem_limit: ${MEMORY_LIMIT:-14G}

    # -------------------------------------------------------------------------
    # Logging – keep last 50 MB, rotate after 10 MB
    # -------------------------------------------------------------------------
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "5"