1. 拉镜像 ```shell docker pull postgres

   超时报错

   error pulling image configuration: Get “https://registry-1.docker.io/v2/library/postgres/blobs/sha256:b088818aeb7c28aec7aa27198b7cfaecb36ad2c314a7b71595385a79c582543d“: net/http: TLS handshake timeout

   解决方案：换镜像源

   https://cloud.tencent.com/developer/article/1842259

// 查看image景象

docker images

2. 启动镜像
```shell
docker run --name postgres2 -d -p 5432:5432 -e POSTGRES_PASSWORD=123456 postgres
// 查看container
docker container list
// 关闭
docker container kill <id>
// 删除
docker container rm <containerId>

1. 进入容器 ```shell // docker exec -it psql -U

docker exec -it postgres psql -U postgres

// 或者 docker exec -it psql -U postgres

4. 查看数据库
```shell
\l