docker2-容器的使用

1.显示所有的容器，包括未运行的

docker ps -a 

2.启动一个已停止的容器

docker start 容器id或name（可通过1中的命令查看）  docke restart 容器id或name 用于重启容器

3.停止一个容器

docker stop 容器id

4.强制删除一个运行中的容器

docker rm -f 容器id

5.查看容器内部的标准输出

docker logs [ID或者名字] 

6.批量删除未使用的容器

docker container prune

[root@ipha-dev71-1 chenjl]# docker pull training/webapp
[root@ipha-dev71-1 chenjl]# docker run -d -P training/webapp python app.py
[root@ipha-dev71-1 chenjl]# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                     NAMES
f48e38ee81a9        training/webapp     "python app.py"     15 seconds ago      Up 10 seconds       0.0.0.0:32768->5000/tcp   sweet_brown
[root@ipha-dev71-1 chenjl]# docker run -d -p 5000:5000 training/webapp python app.py   # 如果是-itd的话是指在后台运行，不会进入容器（-i 交互式操作 -t 终端），

69fbb799c3d5bf4526cbcca9505519ec18c0bdb010301c533c779e47f351e96a [root@ipha-dev71-1 chenjl]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69fbb799c3d5 training/webapp "python app.py" 3 seconds ago Up 2 seconds 0.0.0.0:5000->5000/tcp magical_khorana f48e38ee81a9 training/webapp "python app.py" 55 minutes ago Up 55 minutes 0.0.0.0:32768->5000/tcp sweet_brown [root@ipha-dev71-1 chenjl]# docker logs -f 69fbb799c3d5 * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit) ^C [root@ipha-dev71-1 chenjl]# docker top magical_khorana UID PID PPID C STIME TTY TIME CMD root 104711 104694 0 22:53 ? 00:00:00 python app.py [root@ipha-dev71-1 chenjl]# docker inspect magical_khorana [ { "Id": "69fbb799c3d5bf4526cbcca9505519ec18c0bdb010301c533c779e47f351e96a", "Created": "2019-09-16T14:53:21.107783511Z", "Path": "python", "Args": [ "app.py" ], "State": { "Status": "running", "Running": true, "Paused": false, "Restarting": false, "OOMKilled": false, ... [root@ipha-dev71-1 chenjl]# docker stop magical_khorana magical_khorana [root@ipha-dev71-1 chenjl]# docker ps -l CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 69fbb799c3d5 training/webapp "python app.py" 4 minutes ago Exited (137) 26 seconds ago magical_khorana [root@ipha-dev71-1 chenjl]# docker rm magical_khorana magical_khorana

 进入与退出docker容器

[root@ipha-dev71-1 12306]# docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                     NAMES
f48e38ee81a9        training/webapp     "python app.py"     2 days ago          Up 2 days           0.0.0.0:32768->5000/tcp   sweet_brown
[root@ipha-dev71-1 12306]# docker exec -it f48e38ee81a9 /bin/bash     # 进入docker容器
root@f48e38ee81a9:/opt/webapp# ll
total 20
drwxr-xr-x 2 root root  94 May 15  2015 ./
drwxr-xr-x 1 root root  20 May 15  2015 ../
-rw-r--r-- 1 root root  11 May 15  2015 .gitignore
-rw-r--r-- 1 root root  19 May 15  2015 Procfile
-rw-r--r-- 1 root root 347 May 15  2015 app.py
-rw-r--r-- 1 root root  41 May 15  2015 requirements.txt
-rw-r--r-- 1 root root 285 May 15  2015 tests.py
root@f48e38ee81a9:/opt/webapp# pwd
/opt/webapp
root@f48e38ee81a9:/opt/webapp# exit    # 退出docker容器
exit