version: '3.8'

services:
  # ============================================
  # BASE DE DONNÉES POSTGRES
  # ============================================
  db:
    build:
      context: ./db
      dockerfile: Dockerfile
    container_name: dragonbank-db
    environment:
      POSTGRES_DB: dragonbank
      POSTGRES_USER: dragonadmin
      POSTGRES_PASSWORD_FILE: /run/secrets/db_password
    secrets:
      - db_password
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./db/init.sql:/docker-entrypoint-initdb.d/init.sql
    networks:
      - dragonbank-backend-net
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U dragonadmin -d dragonbank"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 30s
    restart: unless-stopped

  # ============================================
  # BACKEND API PYTHON (FLASK)
  # ============================================
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: dragonbank-backend
    environment:
      DATABASE_URL: postgresql://dragonadmin:dragonpass@db:5432/dragonbank
      SECRET_KEY: dragonbank-super-secret-key-2024
      FLASK_ENV: production
    depends_on:
      db:
        condition: service_healthy
    networks:
      - dragonbank-backend-net
      - dragonbank-frontend-net
    ports:
      - "5000:5000"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:5000/api/health"]
      interval: 15s
      timeout: 5s
      retries: 3
      start_period: 20s
    restart: unless-stopped

  # ============================================
  # FRONTEND PYTHON (FLASK)
  # ============================================
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
    container_name: dragonbank-frontend
    environment:
      BACKEND_URL: http://backend:5000
      SECRET_KEY: frontend-secret-key-2024
    depends_on:
      backend:
        condition: service_healthy
    networks:
      - dragonbank-frontend-net
    ports:
      - "8080:8080"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/"]
      interval: 15s
      timeout: 5s
      retries: 3
      start_period: 15s
    restart: unless-stopped

  # ============================================
  # SERVICE D'INTÉRÊTS (BONUS)
  # ============================================
  interests:
    build:
      context: ./interests
      dockerfile: Dockerfile
    container_name: dragonbank-interests
    environment:
      DATABASE_URL: postgresql://dragonadmin:dragonpass@db:5432/dragonbank
      INTEREST_RATE_LIVRET_A: 0.03
      INTEREST_RATE_ASSURANCE_VIE: 0.02
      INTERVAL_SECONDS: 86400
    depends_on:
      db:
        condition: service_healthy
    networks:
      - dragonbank-backend-net
    healthcheck:
      test: ["CMD", "python", "-c", "import psycopg2; psycopg2.connect('postgresql://dragonadmin:dragonpass@db:5432/dragonbank')"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 15s
    restart: unless-stopped

# ============================================
# SECRETS
# ============================================
secrets:
  db_password:
    file: ./secrets/db_password.txt

# ============================================
# VOLUMES
# ============================================
volumes:
  postgres_data:
    driver: local

# ============================================
# NETWORKS
# ============================================
networks:
  dragonbank-backend-net:
    driver: bridge
    ipam:
      config:
        - subnet: 172.20.0.0/16
  dragonbank-frontend-net:
    driver: bridge
    ipam:
      config:
        - subnet: 172.21.0.0/16