1. 拉取镜像
docker Pulling library/postgres
  1. 运行Postgres(映射一个端口):
docker run --name postgres1 -e POSTGRES_PASSWORD=password -d -p 5432:5432 postgres

将容器的端口5432映射到服务器端口5432。 -p< host_port>:< container_port>现在,postgres可以从您的公共服务器ip:5432访问

  1. 查看运行状态
root@ml-sky:~# docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
abbc0d5b1a15        postgres            "docker-entrypoint.s…"   6 minutes ago       Up 6 minutes        0.0.0.0:5432->5432/tcp   postgres1
  1. 运行postgres数据库,建立数据库
oot@ml-sky:/home/ml/Desktop# docker exec -it postgres1 bash
root@abbc0d5b1a15:/# psql -U postgres
psql (12.0 (Debian 12.0-2.pgdg100+1))
Type "help" for help.

postgres=# CREATE DATABASE MYTEST;
CREATE DATABASE
  1. 查看数据库

postgres=# \l
                                 List of databases
   Name    |  Owner   | Encoding |  Collate   |   Ctype    |   Access privileges   
-----------+----------+----------+------------+------------+-----------------------
 mytest    | postgres | UTF8     | en_US.utf8 | en_US.utf8 | 
 postgres  | postgres | UTF8     | en_US.utf8 | en_US.utf8 | 
 template0 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c/postgres          +
           |          |          |            |            | postgres=CTc/postgres
 template1 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c/postgres          +
           |          |          |            |            | postgres=CTc/postgres
(4 rows)

postgres=# 
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