services:
  app:
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - "8080:8080"
    environment:
      - PORT=8080
      - DATABASE_URL=postgres://flowreader:flowreader@db:5432/flowreader?sslmode=disable
    depends_on:
      db:
        condition: service_healthy
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8080/health"]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  db:
    image: postgres:16-alpine
    environment:
      - POSTGRES_USER=flowreader
      - POSTGRES_PASSWORD=flowreader
      - POSTGRES_DB=flowreader
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U flowreader -d flowreader"]
      interval: 5s
      timeout: 5s
      retries: 5
    # RAM Optimization (from Architecture NFR1)
    command: >
      postgres
      -c shared_buffers=24MB
      -c max_connections=20
      -c work_mem=2MB

volumes:
  postgres_data: