이미지 pull
docker pull postgres도커 컨테이너 실행
docker run --name mydb -e POSTGRES_PASSWORD=123456 -p 5432:5432 -v /custom/local/path:/var/lib/postgresql -d postgresdocker pull postgresdocker run --name mydb -e POSTGRES_PASSWORD=123456 -p 5432:5432 -v /custom/local/path:/var/lib/postgresql -d postgres