Docker compose para gerar container do PostgreSQL

docker-compose.yml

version: '3'

services:
   bd:
      image: postgres
      restart: always
      environment:
        - POSTGRES_USER=postgres
        - POSTGRES_PASSWORD=postgres
        - POSTGRES_DB=postgres
      ports:
         - '5400:5432'
      networks:
         - default
      volumes:
         - db:/var/lib/postgresql/data

networks:
   default:
      driver: bridge

volumes:
   db: