{"id":3158,"date":"2024-07-07T23:44:11","date_gmt":"2024-07-07T18:14:11","guid":{"rendered":"https:\/\/uitutorials.in\/wp\/?p=3158"},"modified":"2024-07-07T23:44:11","modified_gmt":"2024-07-07T18:14:11","slug":"docker-volume","status":"publish","type":"post","link":"https:\/\/uitutorials.in\/wp\/docker-volume\/","title":{"rendered":"Docker Volume"},"content":{"rendered":"

docker volume -h \/ help
\ndocker volume ls
\ndocker volume create \/\/if name not given , by default it will generate random name
\ndocker volume inspect
\n\/\/output
\n[
\n {
\n “CreatedAt”: “2024-06-29T07:07:17Z”,
\n “Driver”: “local”,
\n “Labels”: null,
\n “Mountpoint”: “\/var\/lib\/docker\/volumes\/vol-ubuntu\/_data”,
\n “Name”: “vol-ubuntu”,
\n “Options”: null,
\n “Scope”: “local”
\n }
\n]
\ndocker volume ls –filter dangling=true
\ndocker volume rm (if volume associated with any container , it will not be removed first delete container then remove volume)
\ndocker volume prune (first delete container then remove volume)
\ndocker run -d –volume vol-ubuntu:\/tmp ubuntu(run ubuntu container with volume)<\/p>\n

docker run -d –volume vol-ubuntu:\/tmp ubuntu (create volume while run container)
\nTo update container : apt-get update
\ndocker volume ls –filter “dangling=true” (list unused volumes, if valume created but does not connected with any container)
\ndocker volume inspect vol-busybox
\ndocker volume rm vol-busybox
\ndocker container rm vol-busybox<\/p>\n

docker run -itd –name cont-ubuntu –volume vol-ubuntu:\/var\/log ubuntu
\ndocker volume ls
\n[ec2-user@abc~]$ sudo su
\n[root@abc]# cd \/var\/lib\/docker\/volumes\/ (volume stored location)
\n[root@abc volume]# ls
\nvol-ubuntu
\n[root@abc volume]# cd vol-ubuntu\/ =>ls
\n_data
\n[root@abc vol-ubuntu]# cd _data\/ =>ls
\napt btmp dpkg.log (apt – will be the stored volume)
\nthis location is mouted with container<\/p>\n

docker container inspect –format “{{json .Mounts}}” cont-ubuntu | python -m json.tool
\n(or)
\ndocker container inspect –format “{{json .Mounts}}” cont-ubuntu
\n\/\/output
\n[
\n {
\n “Type”: “volume”,
\n “Name”: “vol-ubuntu”,
\n “Source”: “\/var\/lib\/docker\/volumes\/vol-ubuntu\/_data”,
\n “Destination”: “\/var\/log”,
\n “Driver”: “local”,
\n “Mode”: “z”,
\n “RW”: true,
\n “Propagation”: “”
\n }
\n]<\/p>\n

To find the location where Docker stores volumes on Windows when using Docker Desktop with the WSL 2 backend, follow these steps:<\/p>\n

1.Open Windows File Explorer.
\n2.In the address bar, type \\\\wsl$ and press Enter.
\n3.You will see a list of your WSL distributions. Select your distribution (e.g., Ubuntu).
\n4. find the volume name : “vol-ubuntu”<\/p>\n

\\\\wsl.localhost\\docker-desktop\\mnt\\docker-desktop-disk\\data\\docker
\n\\\\wsl.localhost\\docker-desktop\\tmp\\docker-desktop-root\\mnt\\docker-desktop-disk\\data\\docker
\n\\\\wsl.localhost\\docker-desktop\\tmp\\docker-desktop-root\\mnt\\docker-desktop-disk\\data\\docker\\volumes\\vol-ubuntu\\_data\t<\/p>\n

we can see hard_disk volume in this location : C:\\Users\\Admin\\AppData\\Local\\Docker\\wsl\\disk<\/p>\n

Reade only volume :
\ndocker run -itd –name alpha-centor –mount source=vol-centos, destination=\/etc, readlonly centos (“readonly” keyword is important) (if we use “\\” this slash in middle of a command , it used for new line to continue command)
\n[ec2-user@abc~]docker exec -it alpha-centos bash
\n[root@abc]# cd \/etc
\n[root@etc]# ls
\n[root@etc etc]touch mytmp.conf
\n‘can not touch mytmp.conf : Read-only file system’<\/p>\n

Volume Reflecting – Vice Versa
\ndocker run -itd –name alpha-ubuntu -v myvolume:\/etc ubuntu
\n[ec2-user@abc~]$ sudo su
\n[root@etc]# cd \/var\/lib\/docker\/volumes\/ =>ls
\nmyvolume metadat.db
\n[root@etc volumes]# cd myvolume =>ls
\n_data
\n[root@etc volumes]# cd _data
\n[root@etc volumes]# touch mytemp.conf
\nNow go to check container , our file is created in container or not
\n[root@etc volumes]# docker exec -it alpha-ubuntu bash
\n[root@etc 4567]# ls \/etc
\nhere we can see mytemp.conf file<\/p>\n","protected":false},"excerpt":{"rendered":"

docker volume -h \/ help docker volume ls docker volume create \/\/if name not given , by default it will generate random name docker volume inspect \/\/output [ { “CreatedAt”: “2024-06-29T07:07:17Z”, “Driver”: “local”, “Labels”: null, “Mountpoint”: “\/var\/lib\/docker\/volumes\/vol-ubuntu\/_data”, “Name”: “vol-ubuntu”, “Options”: null, “Scope”: “local” } ] docker volume ls –filter dangling=true<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189],"tags":[191,190],"class_list":["post-3158","post","type-post","status-publish","format-standard","hentry","category-devops","tag-devops","tag-docker","ct-col-2"],"_links":{"self":[{"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/posts\/3158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/comments?post=3158"}],"version-history":[{"count":1,"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/posts\/3158\/revisions"}],"predecessor-version":[{"id":3159,"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/posts\/3158\/revisions\/3159"}],"wp:attachment":[{"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/media?parent=3158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/categories?post=3158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uitutorials.in\/wp\/wp-json\/wp\/v2\/tags?post=3158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}