version: '3.7'

services:
  postgres-common:
    image: postgres:12-alpine
    container_name: postgres-common
    env_file: .env
    networks:
      - db-network
    ports:
      - "127.0.0.1:5432:5432/tcp"
    volumes:
      # Database files
      - postgres-data:/var/lib/postgresql/data
    restart: unless-stopped

volumes:
  postgres-data:

networks:
  db-network:
    name: "${COMMON_DATABASE_NETWORK:-database-network}"
    external: true