name: adventureland

# ensure both containers use same version of mongo
x-mongo_image: &mongo_image mongo:8.0

# Shared settings for the two game containers. Both use the same image, so
# `docker compose build` builds it once.
x-app: &app
  image: git.ao-it.net/gaming/adventureland:latest
  build:
    context: .
    args:
      NODE_IMAGE: node:22-bookworm-slim
      AL_REF: main
      COMMON_REF: main
      CONFIG_REF: main
  restart: unless-stopped
  init: true
  environment:
    MONGODB_URI: mongodb://al-mongo:27017/adventureland?replicaSet=rs0
    MONGODB_NAME: adventureland
    # See docker/patch-drm-check.js: without Steam/MAS auth a self-hosted
    # server would flag every account with "Authorization Failure".
    # Set to "1" to restore the upstream DRM check.
    AL_DRM_CHECK: "0"
  volumes:
    # Editable keys/options from the host (replaces the cloned template).
    - ./files/config:/app/secretsandconfig:ro


services:
  # MongoDB runs as a single-node replica set: the game uses transactions,
  # which MongoDB only allows on replica set members.
  al-mongo:
    image: *mongo_image
    restart: unless-stopped
    command: ["mongod", "--replSet", "rs0", "--bind_ip_all"]
    networks:
      - adventureland
    volumes:
      - ./files/db:/data/db
    healthcheck:
      test: ["CMD", "mongosh", "--quiet", "--eval", "quit(db.adminCommand({ ping: 1 }).ok ? 0 : 1)"]
      interval: 5s
      timeout: 10s
      retries: 24
      start_period: 10s

  # One-shot: initiates the replset on a fresh database volume. Safe to rerun.
  al-mongo-init:
    image: *mongo_image
    restart: "no"
    networks:
      - adventureland
    depends_on:
      al-mongo:
        condition: service_healthy
    entrypoint: ["/bin/bash", "/scripts/mongo-init.sh"]
    volumes:
      - ./docker/mongo-init.sh:/scripts/mongo-init.sh:ro

  # One-shot: imports the 49 map documents from scripts/seed_mongodb.js.
  #
  # The seed script only accepts a direct local connection, so this container
  # shares MongoDB's network namespace and talks to 127.0.0.1. It skips the
  # import (exit 0) when the database already has collections.
  al-seed:
    <<: *app
    restart: "no"
    environment:
      MONGODB_URI: mongodb://127.0.0.1:27017/adventureland
      MONGODB_NAME: adventureland
    network_mode: "service:al-mongo"
    depends_on:
      al-mongo-init:
        condition: service_completed_successfully
    entrypoint: ["/bin/sh", "/app/docker/seed.sh"]

  # Web backend: serves the game client on http://localhost:8090
  al-backend:
    <<: *app
    command: ["node", "main.js"]
    environment:
      # See docker/entrypoint.sh: lets the backend reach the game server at
      # the address it advertises to browsers (localhost:7192).
      AL_GAME_RELAY: "1"
      AL_GAME_HOST: al-game
      AL_GAME_PORT: "7192"
    networks:
      - adventureland
      - backend
    ports:
      - 8090:8090
    depends_on:
      al-seed:
        condition: service_completed_successfully
    healthcheck:
      test: ["CMD", "node", "-e", 'fetch("http://127.0.0.1:8090/").then((r) => process.exit(r.status < 500 ? 0 : 1)).catch(() => process.exit(1))']
      interval: 10s
      timeout: 10s
      retries: 12
      start_period: 30s

  # Game server (Socket.IO) - clients connect to localhost:7192 directly.
  al-game:
    <<: *app
    command: ["node", "server.js", "local"]
    working_dir: /app/node
    networks:
      - adventureland
      - backend
    ports:
      - 7192:7192
    depends_on:
      al-seed:
        condition: service_completed_successfully
      al-backend:
        condition: service_started
    healthcheck:
      test: ["CMD", "node", "-e", 'fetch("http://127.0.0.1:7192/").then((r) => process.exit(r.ok ? 0 : 1)).catch(() => process.exit(1))']
      interval: 10s
      timeout: 10s
      retries: 12
      start_period: 30s

networks:
  adventureland:
  backend: 
    # external: true