services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: "automacao"
      POSTGRES_PASSWORD: "/run/secrets/postgres16"
      PGDATA: /var/lib/postgresql/data/pgdata
      TZ: America/Sao_Paulo
    secrets:
      - postgres16
    ports:
      - "5432:5432"
    networks:
      - postgres_network
    volumes:
      - postgres16_data:/var/lib/postgresql/data
    deploy:
      mode: replicated
      replicas: 1
      resources:
        limits:
          cpus: "1"
          memory: "1024M"
      update_config:
        parallelism: 1
        delay: 10s
      rollback_config:
        parallelism: 1
        monitor: 30s
    healthcheck:
      test: ["CMD-SHELL", "pg_isready"]
      interval: 10s
      timeout: 5s
      retries: 5

volumes:
  postgres16_data:
    external: true

networks:
  postgres_network:
    driver: overlay
    attachable: true
    external: true

secrets:
  postgres16:
    external: true