# 匿名挂载 -v 容器内路径 [root@qiaoyanjie volumes]# docker run -d -P --name nginx02 -v /ect/nginx nginx # -P 随机端口 1e7a6f078e1d149a28870b080e8889fa943c0a3be94cb98b34e4b68fbaca7706 [root@qiaoyanjie volumes]# docker volume --help Usage: docker volume COMMAND Manage volumes Commands: create Create a volume inspect Display detailed information on one or more volumes ls List volumes prune Remove all unused local volumes rm Remove one or more volumes Run 'docker volume COMMAND --help' for more information on a command. # 查看所有的 volume 情况 [root@qiaoyanjie volumes]# docker volume ls #以下都是匿名卷挂载，在-v 容器内路径只写，容器外没有路径 DRIVER VOLUME NAME local 85ceb1c90bf20638336243eba9185d8f733c19785e70699e95511e5022167d41 local 378d3ad8f128323116b58484f5fd19492b4e41d1213f729ed89cfc9c7f3524bc local 94004da9bc144582354a4fa694fc647b7d700512eb1d0b220f47de9a521da753 local 40506974fbded9e29a84f42f33b737e28dc13eb0a821f1ebd991aa349bfac1bc local aaac05064af330ebf935a3c42bf51f49aa82f319714b9e865fed5f875ee885ef local c2956de8052af73afc7e00ebdc74f9a2f17e8f794bf551ce09fd45598e58c94f # 检查卷在哪里：Mountpoint [root@qiaoyanjie ~]# docker volume inspect 85ceb1c90bf20638336243eba9185d8f733c19785e70699e95511e5022167d41 [ { "CreatedAt": "2022-05-06T13:29:50 08:00", "Driver": "local", "Labels": null, "Mountpoint": "/var/lib/docker/volumes/85ceb1c90bf20638336243eba9185d8f733c19785e70699e95511e5022167d41/_data", "Name": "85ceb1c90bf20638336243eba9185d8f733c19785e70699e95511e5022167d41", "Options": null, "Scope": "local" } ]# 具名挂载 -v 卷名：容器内路径 [root@qiaoyanjie ~]# docker run -d -P --name nginx03 -v juming-nginx:/etc/nginx nginx f89ab2645fc6cea48003e98d080b37d5aa5d3485740ee1d34df128c4872edcef [root@qiaoyanjie ~]# docker volume ls DRIVER VOLUME NAME local 2eba47cade6c5b68f4f2179df0511e49113f4c507aad448b2bc25fbb99cc4ecf local 5f5d46c0cfe40408f71515d12b6d2bab31cfbe478716f125bab34d43c65e0776 local 54c20bfffe906d311d4394dccb85c4f7f2d2cee4ed295ff9682856a7c2a7d07b local 85ceb1c90bf20638336243eba9185d8f733c19785e70699e95511e5022167d41 local 378d3ad8f128323116b58484f5fd19492b4e41d1213f729ed89cfc9c7f3524bc local 94004da9bc144582354a4fa694fc647b7d700512eb1d0b220f47de9a521da753 local 40506974fbded9e29a84f42f33b737e28dc13eb0a821f1ebd991aa349bfac1bc local aaac05064af330ebf935a3c42bf51f49aa82f319714b9e865fed5f875ee885ef local c2956de8052af73afc7e00ebdc74f9a2f17e8f794bf551ce09fd45598e58c94f local ccd77d73028a70a3433a374aea57d9e2c96828cddefe1a808eda0354ba3b7a44 local juming-nginx [root@qiaoyanjie ~]# docker volume inspect juming-nginx [ { "CreatedAt": "2022-05-29T14:43:14 08:00", "Driver": "local", "Labels": null, "Mountpoint": "/var/lib/docker/volumes/juming-nginx/_data", "Name": "juming-nginx", "Options": null, "Scope": "local" } ] 所有docker容器内的卷，没有指定目录（可用docker info 默认情况下，命令查看目录） /var/lib/docker/volumes/xxx/_data 目录下
我们可以通过具名挂载轻松找到卷，大多数情况下使用具名挂载
-v /容器内路径 # 匿名挂载
-v 卷名:/容器内路径 # 具名挂载
-v /宿主机路径：/容器内路径 #指定路径挂载不会产生匿名卷
拓展
# 通过 -v 容器内路径：ro rw 改变读写权限 ro readonly -- 只读 rw readwrite -- 可读可写 docker run -d -P --name nginx03 -v juming-nginx:/etc/nginx:ro nginx # 只要看到 ro 说明这条路径只能由宿主机操作，默认情况下，容器无法扫描操作rw