services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: mercury
      POSTGRES_PASSWORD: mercury
      POSTGRES_DB: mercury
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U mercury"]
      interval: 5s
      timeout: 5s
      retries: 5

  api:
    build: .
    ports:
      - "3000:3000"
    environment:
      DATABASE_URL: postgres://mercury:mercury@db:5432/mercury
      JWT_SECRET: ${JWT_SECRET:-change_me_in_production}
      JWT_EXPIRY_SECS: ${JWT_EXPIRY_SECS:-3600}
      CACHE_MAX_CAPACITY: ${CACHE_MAX_CAPACITY:-10000}
      CACHE_IDLE_TIMEOUT_SECS: ${CACHE_IDLE_TIMEOUT_SECS:-300}
      CACHE_SWEEP_INTERVAL_SECS: ${CACHE_SWEEP_INTERVAL_SECS:-60}
    depends_on:
      db:
        condition: service_healthy
    mem_limit: 512m
    mem_reservation: 256m

volumes:
  postgres_data: