# docker-compose.yml
version: '3.8'

services:
  db:
    image: mariadb:10.11 # Use a specific stable version
    container_name: lms_mariadb
    restart: unless-stopped
    environment:
      MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD:-supersecretroot} # Use default if not set in host .env
      MARIADB_DATABASE: ${MARIADB_DATABASE:-lms_db}
      MARIADB_USER: ${MARIADB_USER:-lms_user}
      MARIADB_PASSWORD: ${MARIADB_PASSWORD:-lms_password}
    volumes:
      - mariadb_data:/var/lib/mysql # Persist data
    ports:
      # Only expose if you need direct access from host machine, otherwise backend connects via internal network
      # - "3306:3306"
      - "13306:3306" # Expose on 13306 to avoid host conflicts
    networks:
      - lms_network
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "${MARIADB_USER:-lms_user}", "-p${MARIADB_PASSWORD:-lms_password}"]
      interval: 10s
      timeout: 5s
      retries: 5

  backend:
    container_name: lms_backend
    build:
      context: ./lms-backend # Path to the directory containing the Dockerfile
      dockerfile: Dockerfile
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy # Wait for DB to be healthy
    environment:
      # Pass necessary environment variables to the backend container
      # Ensure these match the .env file used by the Rust app OR override them here
      DATABASE_URL: mysql://${MARIADB_USER:-lms_user}:${MARIADB_PASSWORD:-lms_password}@db:3306/${MARIADB_DATABASE:-lms_db}
      SERVER_ADDR: 0.0.0.0:8080
      RUST_LOG: ${RUST_LOG:-actix_web=info,lms_backend=info}
      # SECRET_KEY: ${SECRET_KEY:-your_fallback_secret} # If using JWT
    ports:
      - "8080:8080" # Map container port 8080 to host port 8080
    networks:
      - lms_network
    # Optional: Mount local code for development (use with caution, requires rebuilds/restarts)
    # volumes:
    #   - ./lms-backend/src:/app/src
    #   - ./lms-backend/Cargo.toml:/app/Cargo.toml
    #   - ./lms-backend/Cargo.lock:/app/Cargo.lock

volumes:
  mariadb_data: # Define the named volume for persistence

networks:
  lms_network: # Define the network for services communication
    driver: bridge