docker查看映射端口：
[root@VM_0_2_centos local]# docker port b041040f37d3
3306/tcp -> 0.0.0.0:3305
#命令：
docker port COMMAND
[root@VM_0_2_centos local]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES a1bf36857723 mysql "docker-entrypoint..." 7 weeks ago Up 8 hours 33060/tcp, 0.0.0.0:3304->3306/tcp mysqlprod b041040f37d3 mysql "docker-entrypoint..." 3 months ago Up 8 hours 33060/tcp, 0.0.0.0:3305->3306/tcp mysql [root@VM_0_2_centos local]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE docker.io/mysql latest be0dbf01a0f3 3 months ago 541 MB [root@VM_0_2_centos local]# docker port be0dbf01a0f3 Error: No such container: be0dbf01a0f3 [root@VM_0_2_centos local]# docker port a1bf36857723 3306/tcp -> 0.0.0.0:3304 [root@VM_0_2_centos local]# docker port b041040f37d3 3306/tcp -> 0.0.0.0:3305
