version: '3.8'

services:
  postgres:
    environment:
      POSTGRES_USER: postgres_staging
      POSTGRES_PASSWORD: postgres_staging_password
      POSTGRES_DB: postgres_staging
    ports:
      - "5433:5432"
    volumes:
      - postgres_data_staging:/var/lib/postgresql/data
      - ./config/postgres-staging.conf:/etc/postgresql/postgresql.conf
    command: postgres -c config_file=/etc/postgresql/postgresql.conf
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G

  pgadmin:
    environment:
      PGADMIN_DEFAULT_EMAIL: staging@example.com
      PGADMIN_DEFAULT_PASSWORD: pgadmin_staging_password
    ports:
      - "5051:80"
    volumes:
      - pgadmin_data_staging:/var/lib/pgadmin
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M

volumes:
  postgres_data_staging:
    name: postgres_data_staging
  pgadmin_data_staging:
    name: pgadmin_data_staging

networks:
  postgres_network:
    name: postgres_network_staging