version: '3.8'

services:
  # =================================================================
  # MariaDB Database Service
  # =================================================================
  mariadb:
    image: mariadb:11.2
    container_name: keepitgoing-db
    restart: unless-stopped
    environment:
      MYSQL_DATABASE: ${DB_NAME:-keepitgoing}
      MYSQL_USER: ${DB_USER:-keepitgoing}
      MYSQL_PASSWORD: ${DB_PASSWORD}
      MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
      MYSQL_CHARACTER_SET_SERVER: utf8mb4
      MYSQL_COLLATION_SERVER: utf8mb4_unicode_ci
    volumes:
      - db_data:/var/lib/mysql
    networks:
      - backend
    healthcheck:
      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 30s

  # =================================================================
  # Redis Service - Message broker for Celery
  # =================================================================
  redis:
    image: redis:7-alpine
    container_name: keepitgoing-redis
    restart: unless-stopped
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis_data:/data
    networks:
      - backend
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  # =================================================================
  # Django/Gunicorn Web Service
  # =================================================================
  web:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: keepitgoing-web
    restart: unless-stopped
    env_file:
      - .env.docker
    environment:
      DJANGO_SETTINGS_MODULE: config.settings.selfhosted
      DATABASE_URL: mysql://${DB_USER:-keepitgoing}:${DB_PASSWORD}@mariadb:3306/${DB_NAME:-keepitgoing}
      REDIS_URL: redis://redis:6379/0
    volumes:
      - ./media:/app/media
      - static_files:/app/staticfiles
    ports:
      - "8000:8000"
    networks:
      - frontend
      - backend
    depends_on:
      mariadb:
        condition: service_healthy
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/api/"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

  # =================================================================
  # Celery Worker Service - Background task processor
  # =================================================================
  celery-worker:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: keepitgoing-celery-worker
    restart: unless-stopped
    env_file:
      - .env.docker
    environment:
      DJANGO_SETTINGS_MODULE: config.settings.selfhosted
      DATABASE_URL: mysql://${DB_USER:-keepitgoing}:${DB_PASSWORD}@mariadb:3306/${DB_NAME:-keepitgoing}
      REDIS_URL: redis://redis:6379/0
    networks:
      - backend
    depends_on:
      mariadb:
        condition: service_healthy
      redis:
        condition: service_healthy
    command: celery-worker

  # =================================================================
  # Celery Beat Service - Scheduled task scheduler
  # =================================================================
  celery-beat:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: keepitgoing-celery-beat
    restart: unless-stopped
    env_file:
      - .env.docker
    environment:
      DJANGO_SETTINGS_MODULE: config.settings.selfhosted
      DATABASE_URL: mysql://${DB_USER:-keepitgoing}:${DB_PASSWORD}@mariadb:3306/${DB_NAME:-keepitgoing}
      REDIS_URL: redis://redis:6379/0
    networks:
      - backend
    depends_on:
      mariadb:
        condition: service_healthy
      redis:
        condition: service_healthy
    command: celery-beat

# =================================================================
# Named Volumes
# =================================================================
volumes:
  db_data:
    name: keepitgoing_db_data
  redis_data:
    name: keepitgoing_redis_data
  static_files:
    name: keepitgoing_static_files

# =================================================================
# Networks
# =================================================================
networks:
  frontend:
    name: keepitgoing_frontend
  backend:
    name: keepitgoing_backend