Docker

https://docs.docker.com/

https://hub.docker.com/

安装

运行 docker daemon

拉取镜像

启动容器

Docker 停止容器

复制文件

进入容器

构建镜像（备份容器）

Docker 移除镜像

导出镜像

[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# docker images|grep mysql
mysql                20220825   0799d4a69e5f   21 hours ago    303MB
mysql                20220816   1c896168a63b   9 days ago      303MB
mysql                20220812   043e09479672   13 days ago     303MB
mysql                5.6        10de32843f91   9 months ago    303MB
[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# docker save 0799d4a69e5f > mysql_20220826.tar.gz
[root@iZ8vbcjkeqbrdmmbt23vboZ ~]#

导入镜像

[root@iZ8vbcjkeqbrdmmbt23vboZ ~]# docker load -i ~/mysql_20220826.tar.gz

容器安装软件

查看容器信息

容器新增端口映射

移除容器

[root@localhost ~]# docker ps 
CONTAINER ID   IMAGE       COMMAND                  CREATED        STATUS         PORTS                                                                     NAMES
03a5d98fbf6f   zookeeper   "/docker-entrypoint.…"   20 hours ago   Up 4 minutes   2888/tcp, 3888/tcp, 8080/tcp, 0.0.0.0:2182->2181/tcp, :::2182->2181/tcp   zk2
15cc59636d4e   zookeeper   "/docker-entrypoint.…"   20 hours ago   Up 4 minutes   2888/tcp, 3888/tcp, 8080/tcp, 0.0.0.0:2183->2181/tcp, :::2183->2181/tcp   zk3
5033aa3ffae0   zookeeper   "/docker-entrypoint.…"   20 hours ago   Up 4 minutes   2888/tcp, 3888/tcp, 0.0.0.0:2181->2181/tcp, :::2181->2181/tcp, 8080/tcp   zk1
[root@localhost ~]# docker rm zk1 zk2 zk3
Error response from daemon: You cannot remove a running container 5033aa3ffae0a4ea3f1962279fdb7a58fed8a83ead17b7e7b4ddf9cb9755e81f. Stop the container before attempting removal or force remove
Error response from daemon: You cannot remove a running container 03a5d98fbf6f3188403d6f036b7f5f72e9fae86b6b917a47962af3035cedb74e. Stop the container before attempting removal or force remove
Error response from daemon: You cannot remove a running container 15cc59636d4e205b14b8e14b147316a6ed93f14937ea8417cf921c477a688254. Stop the container before attempting removal or force remove
[root@localhost ~]# docker stop zk1 zk2 zk3
zk1
zk2
zk3
[root@localhost ~]# docker rm zk1 zk2 zk3
zk1
zk2
zk3
[root@localhost ~]# docker ps -a
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES
[root@localhost ~]#

列出容器IP

[root@localhost ~]# docker ps -q | xargs -n 1 docker inspect --format '{{ .Name }} {{range .NetworkSettings.Networks}} {{.IPAddress}}{{end}}' | sed 's#^/##';
zk2  172.20.0.4
zk3  172.20.0.2
zk1  172.20.0.3
[root@localhost ~]#

docker compose

https://github.com/docker/compose

安装 docker-compose

使用 docker-compose