Example of docker search: # search ubuntu image docker search ubuntu 

Example of docker build: # build an image form a Dockerfile located in the current folder # and set a tag `myimage:latest` for new image docker build -t "myimage:latest" . 

Example of docker pull, save, load: # pull `busybox` image from registry docker pull busybox 

Example docker tag, rmi: # create a tag `mytag` that refers to `busybox` image docker tag busybox busybox:mytag # remove `busybox` image docker rmi busybox 

Example of docker save, load: # pull `busybox` image from registry docker pull busybox # save `busybox` image docker save busybox > busybox.tar # remove `busybox` image docker rmi busybox # load `busybox` image from TAR file docker load < busybox.tar 

Example of docker ps: # docker --format placeholders # .ID - Container ID # .Image - Image ID # .Command - Quoted command # .CreatedAt - Time when the container was created. # .RunningFor - Elapsed time since the container was started. # .Ports - Exposed ports. # .Status - Container status. # .Size - Container disk size. # .Names - Container names. # .Labels - All labels assigned to the container. # .Label - Value of a specific label for this container: # .Mounts - Names of the volumes mounted in this container. # show only running formatted as ID / Image / Ports / Names docker ps --format "{{.ID}} / {{.Image}} / {{.Ports}} / {{.Names}}" # show all containers formatted as ID / Image / Ports / Names docker ps -a --format "{{.ID}} / {{.Image}} / {{.Ports}} / {{.Names}}" # show all containers formatted as table ID, IMAGE, PORTS, NAMES docker ps -a --format "table {{.ID}}\t{{.Image}}\t{{.Ports}}\t{{.Names}}" # show all containers based on `nginx` docker ps -a -f=ancestor=nginx 

Example of docker create, ps, rm, start, stop, attach: # create a new container based on the Ubuntu image, with: # - random name i.e `festive_gates` # - random ID i.e `37a0cb4dd740` # - status `Created` # - enabled `-it` (STDIN + pseudo-TTY for input commands) docker create -it ubuntu /bin/bash # show all containers (all statuses) docker ps -a # show the latest created container docker ps -l # show the latest created container with formatted result: ID, Status, Names docker ps -l --format "{{.ID}} {{.Status }} {{.Names}}" # result of above command formatted as: ID, Status, Names 37a0cb4dd740 Created festive_gates # remove created container by ID docker rm 37a0cb4dd740 # create a new container as above but with a name: `test_create_ubuntu` docker create -it --name test_create_ubuntu ubuntu /bin/bash # start container docker start test_create_ubuntu # attach keyboard input to container docker attach test_create_ubuntu # logged into container root@c5d448c6117c:/# # exit from container root@c5d448c6117c:/# exit # stop container docker stop test_create_ubuntu # remove container docker rm test_create_ubuntu 

Example of docker run, ps, rm, start, stop, attach: # run a command in new container based on the Ubuntu image, with: # - random name i.e `stupefied_montalcini` # - random ID i.e `30f2887203f3` # - status `Up` # - enabled `-it` (STDIN + pseudo-TTY for input commands) docker run -it ubuntu /bin/bash # result of about command, logged into container root@30f2887203f3:/# # exit from container root@30f2887203f3:/# exit # show all containers (all statuses) docker ps -a # show the latest created container docker ps -l # show the latest created container with formatted result: ID, Status, Names docker ps -l --format "{{.ID}} {{.Status }} {{.Names}}" # result of above command formatted as: ID, Status, Names 30f2887203f3 Exited (0) 3 seconds ago stupefied_montalcini # create a new container as above but with a name: `test_run_ubuntu` docker run -it --name test_run_ubuntu ubuntu /bin/bash # logged into container root@83d51a5964d7:/# # exit from container root@ 83d51a5964d7:/# exit # stop container docker stop test_run_ubuntu # remove container docker rm test_run_ubuntu 

Example of docker run with a command: # run a ping command from a container and # remove container on exit by --rm parameter docker run --rm busybox ping google.com # example result 64 bytes from 216.58.201.110: seq=0 ttl=37 time=41.393 ms 64 bytes from 216.58.201.110: seq=1 ttl=37 time=44.513 ms 64 bytes from 216.58.201.110: seq=2 ttl=37 time=43.191 ms # run date command from a container and # remove container on exit by --rm parameter docker run --rm ubuntu date # example result Mon Mar 26 18:35:16 UTC 2018 

Example of docker run with port mapping: # run a new container based on the Nginx image, with: # - enabled `-d` that runs a container in a background # - enabled `-p 80` that publish port 80 of the container # to all interfaces of the host with a dynamically allocated port. # The Nginx by default exposes port 80 docker run -d --name test_nginx_1 -p 80 nginx # check port mapping docker port test_nginx_1 # example result of above command 80/tcp -> 0.0.0.0:32773 # test `test_nginx_1` server curl http://localhost:32773 # - enabled `-p 8080:80` that publish port 80 of the container # to all interfaces of the host with a static port 8080 docker run -d --name test_nginx_2 -p 8080:80 nginx # test `test_nginx_2` server curl http://localhost:8080 

Example of docker kill: # create a new container with a name `test_kill` docker create -it --name test_kill ubuntu /bin/bash # start container docker start test_kill # kill container docker kill test_kill 

Example of docker rename: # create a new container with a name `test_rename` docker run --name test_rename ubuntu /bin/bash # rename `test_rename` container to `renamed_test` docker rename test_rename renamed_test # show the latest created container, should contains `renamed_test` docker ps -l 

Example of docker pause, unpause, logs: # run a new container with a script that prints a date in 1 second interval, with: # - enabled `-d` that runs a container in a background docker run -d --name test_pause ubuntu /bin/sh -c "while true; do date; sleep 1; done" # fetch the logs of a container docker logs -f test_pause # example result of above command, new log per 1 second Sun Mar 25 17:48:46 UTC 2018 Sun Mar 25 17:48:47 UTC 2018 Sun Mar 25 17:48:48 UTC 2018 ... # pause container docker pause test_pause # fetch the logs of container docker logs -f test_pause # example result of above command, no new logs Sun Mar 25 17:52:26 UTC 2018 Sun Mar 25 17:52:27 UTC 2018 Sun Mar 25 17:52:28 UTC 2018 # unpause container docker unpause test_pause # fetch the logs of container docker logs -f test_pause # example result of above command, new log per 1 second Sun Mar 25 17:54:38 UTC 2018 Sun Mar 25 17:54:39 UTC 2018 Sun Mar 25 17:54:40 UTC 2018 ... # stop container docker stop test_pause 

Example of docker exec: # run a new container with a name `nginx_server` docker run -d --name nginx_server -p 8080:80 nginx # run /bin/bash command in `nginx_server` container (terminal) docker exec -it nginx_server /bin/bash # example result root@479d0e43f6c4:/# # exit from container root@479d0e43f6c4:/# exit # run date `nginx_server` container docker exec nginx_server date # example result Mon Mar 26 19:20:28 UTC 2018 

Example of docker cp, diff: # run a new container with a name `test_cp_ubuntu` docker run -it --name test_cp_ubuntu ubuntu /bin/bash # create a new file container_file.txt in container root@968c86596a3b:/# echo "Container file" > container_file.txt # exit from container root@968c86596a3b:/# exit # copy a file container_file.txt from `test_cp_ubuntu` container to host docker cp test_cp_ubuntu:/container_file.txt container_file.txt # test container_file.txt cat container_file.txt # result Container file # create a new file host_file.txt on host echo "Host file" > host_file.txt # copy a file host_file.txt from host to `test_cp_ubuntu` container docker cp host_file.txt test_cp_ubuntu:/host_file.txt # start container docker start test_cp_ubuntu # attach keyboard input to container docker attach test_cp_ubuntu # test host file root@968c86596a3b:/# cat host_file.txt # result Host file # inspect changes to files or directories on a container's filesystem docker diff test_cp_ubuntu # example result A /container_file.txt A /host_file.txt C /root A /root/.bash_history 

Example of docker commit: # create a new container with a name `test_commit` docker run -it --name test_commit ubuntu /bin/bash # store a date to file.txt root@bf6d4aeae802:/# date > file.txt # test file root@bf6d4aeae802:/# cat file.txt # example result Mon Mar 26 20:11:16 UTC 2018 # exit from container root@bf6d4aeae802:/# exit # create a new image `new_test_commit_image` # from a `test_commit` container's changes docker commit test_commit new_test_commit_image # image should be on list docker images # create a new container with a name `test_commit_new` # based on `new_test_commit_image` docker run -it --name test_commit_new new_test_commit_image /bin/bash # test file.txt stored before commit root@9f283ac64e1d:/# cat file.txt # result Mon Mar 26 20:21:29 UTC 2018 

Example of docker export, import: # create a new container with a name `test_export` # based on Busybox image docker create --name test_export busybox # export `test_export` container to TAR file docker export test_export > test_export.tar # remove `test_export` container docker rm test_export # import `test_export` as `busybox-export` image cat test_export.tar | docker import - busybox-export # list images, image `busybox-export` should be on list docker images # run a new container `test_export` based on `busybox-export` image docker run -it --name test_export busybox-export /bin/sh 

Example of docker top: # run a new container with a name `test_top` docker run -d --name test_top -p 8080:80 nginx # display the running processes of a `test_top` container docker top test_top # example result PID	USER	TIME	COMMAND 5815	root	0:00	nginx: master process nginx -g daemon off; 5851	101	0:00	nginx: worker process 

Example of docker inspect: # create a new container with name `test_inspect` docker run -v /test_directory --name test_inspect ubuntu # basic usage of docker inspect docker inspect test_inspect # example result of above command (sample of JSON) [{	"Id": "13074e2597ee1beedad7218b36df2da13851dfbb8f2712d4b2408003d300cf1b", "Created": "2018-04-01T22:14:24.725012738Z", "Path": "/bin/bash", ... }] # extract name of container docker inspect -f '{{.Name}}' test_inspect # result of above command /test_inspect # check IP of container docker inspect -f '{{.NetworkSettings.IPAddress}}' test_inspect # result of above command 172.17.0.3 # filter mounted volumes of container docker inspect -f '{{ .Mounts }}' test_inspect # example result of above command [{volume 1c7951286a1975d8399fb7b0e393999628276a43c9a160e6318b4b7435578738 /var/lib/docker/volumes/1c7951286a1975d8399fb7b0e393999628276a43c9a160e6318b4b7435578738/_data /test_directory local true }] # check if latest container still running docker inspect --format '{{.State.Running}}' $(docker ps -lq) # result of above command false 

Example of docker volume inspect, ls, rm: # create a new container with a name `test_volume1` with # - v /test_directory (test_directory created in container) docker run -it -v /test_directory --name test_volume1 ubuntu # logged into container and list directory contents root@29157acd5730:/# ls # example result of above command test_directory - should exists on list # exit from container root@29157acd5730:/# exit # return low-level information on Docker objects # filtered by mounted volumes docker inspect -f '{{ .Mounts }}' test_volume1 # example result of above command, ID of volume volume 619f2450dcae05a595328732403ad4bfd489395ac5e21a1339d1f084325b45d0 # display detailed information on volume of above ID docker volume inspect 619f2450dcae05a595328732403ad4bfd489395ac5e21a1339d1f084325b45d0 # example result of above command [{ "CreatedAt": "2018-03-31T21:07:46Z", "Driver": "local", "Labels": null, "Mountpoint": "/var/lib/docker/volumes/619...5d0/_data", "Name": "619...5d0", "Options": {}, "Scope": "local" }] # list volumes docker volume ls # example result of above command, example volume ID should be on list DRIVER	VOLUME local	619f2450dcae05a595328732403ad4bfd489395ac5e21a1339d1f084325b45d0 # remove `test_volume1` container docker rm test_volume1 # remove volume of `test_volume1` container docker volume rm 619f2450dcae05a595328732403ad4bfd489395ac5e21a1339d1f084325b45d0 # list volumes, in result, above volume ID should not be on list docker volume ls 

Example of docker volume prune: # create a new container with a name `test_volume2` with # -v /test_directory (test_directory created in container) docker run -it -v /test_directory --name test_volume2 ubuntu # logged into container, and exit root@7f5ee1d3b3f5:/# exit # return low-level information on Docker objects # filtered by mounted volumes docker inspect -f '{{ .Mounts }}' test_volume2 # example result of above command, ID of volume volume 804bb1b8b588d56b624c8f61c848496f04986b4b6551830f7851879b5f4cb549 # list volumes docker volume ls # example result of above command, example volume ID should be on list DRIVER	VOLUME NAME local	804bb1b8b588d56b624c8f61c848496f04986b4b6551830f7851879b5f4cb549 # remove `test_volume2` container docker rm test_volume2 # remove all unused local volumes docker volume prune # list volumes, in result, above volume ID should not be on list docker volume ls 

Example of docker volume create: # create a new volume with name `test_ubuntu_volume` docker volume create test_ubuntu_volume # list volumes docker volume ls # example result of above command, example volume ID should be on list DRIVER	VOLUME NAME local	test_ubuntu_volume # create a new container with a name `test_volume_create` with # -v test_ubuntu_volume:/volume_data where # `test_ubuntu_volume` in mapped as `volume_data` in container docker run -it -v test_ubuntu_volume:/volume_data --name test_volume_create ubuntu # go to `volume_data` in `test_volume_create` container root@76fd2af1023c:/# cd volume_data/ # create `file1.txt` file in `volume_data` directory root@76fd2af1023c:/volume_data# echo "Test file1" > file1.txt # exit from container root@76fd2af1023c:/volume_data# exit # remove container docker rm test_volume_create # create a new container with a name `test_keep_volume` # and bind exists `test_ubuntu_volume` docker run -it -v test_ubuntu_volume:/volume_data --name test_keep_volume ubuntu # go to `volume_data` in `test_volume_create` container root@60d335502983:/# cd volume_data/ # preview content of `file1.txt` created via previous container root@60d335502983:/volume_data# cat file1.txt # result of above command Test file1 

Example of bind docker volume: # create a local folder named `shared_folder` mkdir shared_folder # go to `shared_folder` cd shared_folder # touch file in `shared_folder` echo "Test file1" > file1.txt # exit from `shared_folder` cd .. # create a new container with a name `test_volume_shared` with # -v $(pwd)/shared_folder:/volume_data where # $(pwd) return working directory name # `shared_folder` folder on host mapped as `volume_data` in container docker run -it -v $(pwd)/shared_folder:/volume_data --name test_volume_shared ubuntu # go to `volume_data` in `test_volume_shared` container root@13074e2597ee:/# cd volume_data/ # preview content of `file1.txt` created on host machine root@13074e2597ee:/volume_data# cat file1.txt # result of above command Test file1 # touch new file file in `volume_data` root@13074e2597ee:/volume_data# echo "Test contaniner" > file2.txt # exit from container root@13074e2597ee:/volume_data# exit # go to `shared_folder` cd shared_folder # preview content of `file2.txt` created in container cat file2.txt # result of above command Test contaniner 

Example of docker volumes-from: # run a new container with a name `test_volume_source` where # a new volume `/shared_volume` docker run -it -v /shared_volume --name test_volume_source ubuntu # go to `shared_volume` in `test_volume_source` container root@40d8412524de:/# cd shared_volume/ # create a file root@40d8412524de:/shared_volume# echo "Test file" > file1.txt # exit from container root@40d8412524de:/shared_volume# exit # run a new container with a name `test_volume_from ` where # a volume comes from `/test_volume_source` docker run -it --volumes-from test_volume_source --name test_volume_from ubuntu /bin/bash # go to `shared_volume` root@ff2703b7db42:/# cd shared_volume/ # preview a file root@ff2703b7db42:/shared_volume# cat file1.txt # result of above command Test file