{"id":149,"date":"2023-10-15T12:24:54","date_gmt":"2023-10-15T11:24:54","guid":{"rendered":"https:\/\/technology.corporatesstore.com\/?page_id=149"},"modified":"2023-10-16T04:21:00","modified_gmt":"2023-10-16T03:21:00","slug":"docker-commands","status":"publish","type":"page","link":"https:\/\/technology.corporatesstore.com\/index.php\/docker-commands\/","title":{"rendered":"Docker Commands"},"content":{"rendered":"\n

Let\u2019s look at some of the most popular Docker command examples.<\/p>\n\n\n\n

Build Commands<\/strong><\/p>\n\n\n\n

Docker uses the build command for building images from a Docker file. Some of the most common commands include:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker build<\/td>Builds an image from a Dockerfile in the current directory.<\/td><\/tr>
docker build https:\/\/github.com\/docker\/rootfs.git#container:docker<\/td>Builds an image from a remote GIT repository.<\/td><\/tr>
docker build -t imagename\/tag<\/td>Builds and tags an image for easier tracking.<\/td><\/tr>
docker build https:\/\/yourserver\/file.tar.gz<\/td>Builds an image from a remote tar archive.<\/td><\/tr>
docker build -t image:1.0-<<EOFFROM busyboxRUN echo \u201chello world\u201dEOF<\/td>Builds an image via a Dockerfile that is passed through STDIN.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Clean Up Commands<\/strong><\/p>\n\n\n\n

To keep your system clean and save disk space, it\u2019s a great idea to clean up unused images, containers, and volumes. Check the commands below for more details:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker image prune<\/td>Clears an unused image.<\/td><\/tr>
docker image prune -a<\/td>Clears all images that are not being used by containers.<\/td><\/tr>
docker system prune<\/td>Removes all stopped containers, all networks not used by containers, all dangling images, and all build cache.<\/td><\/tr>
docker image rm image<\/td>Removes an image.<\/td><\/tr>
docker rm container<\/td>Removes a running container.<\/td><\/tr>
docker swarm leave<\/td>Leaves a swarm.<\/td><\/tr>
docker stack rm stackname<\/td>Removes a swarm.<\/td><\/tr>
docker volume rm $(docker volume ls -f dangling=true<\/strong> -q)<\/td>Removes all dangling volumes.<\/td><\/tr>
docker rm $(docker ps -a -q)<\/td>Removes all stopped containers.<\/td><\/tr>
docker kill $ (docker ps -q)<\/td>Stops all running containers.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Container Interaction Commands<\/strong><\/p>\n\n\n\n

Interact with your Docker container with the following common commands:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker start container<\/td>Starts a new container.<\/td><\/tr>
docker stop container<\/td>Stops a container.<\/td><\/tr>
docker pause container<\/td>Pauses a container.<\/td><\/tr>
docker unpause container<\/td>Unpauses a container.<\/td><\/tr>
docker restart container<\/td>Restarts a container.<\/td><\/tr>
docker wait container<\/td>Blocks a container<\/td><\/tr>
docker export container<\/td>Exports container contents to a tar archive.<\/td><\/tr>
docker attach container<\/td>Attaches to a running container.<\/td><\/tr>
docker wait container<\/td>Waits until the container is terminated and shows the exit code.<\/td><\/tr>
docker commit -m \u201ccommit message\u201d -a \u201cauthor\u201d container username\/image_name: tag<\/td>Saves a running container as an image.<\/td><\/tr>
docker logs -ft container<\/td>Follows container logs.<\/td><\/tr>
docker exec -ti container script.sh<\/td>Runs a command in a container.<\/td><\/tr>
docker commit container image<\/td>Creates a new image from a container.<\/td><\/tr>
docker create image<\/td>Creates a new container from an image.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Container Inspection Commands<\/strong><\/p>\n\n\n\n

Sometimes, you need to inspect your containers for quality assurance or troubleshooting purposes. These commands help you get an overview of what different containers are doing:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker ps<\/td>Lists all running containers.<\/td><\/tr>
docker -ps -a<\/td>Lists all containers.<\/td><\/tr>
docker diff container<\/td>Inspects changes to directories and files in the container filesystem.<\/td><\/tr>
docker top container<\/td>Shows all running processes in an existing container.<\/td><\/tr>
docker inspect container<\/td>Displays low-level information about a container.<\/td><\/tr>
docker logs container<\/td>Gathers the logs for a container.<\/td><\/tr>
docker stats container<\/td>Shows container resource usage statistics.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Manage Images Commands<\/strong><\/p>\n\n\n\n

Some of the most common image management commands include:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker image ls<\/td>Lists images.<\/td><\/tr>
docker image rm mysql<\/td>Removes an image.<\/td><\/tr>
docker tag image tag<\/td>Tags an image.<\/td><\/tr>
docker top container<\/td>Shows all running processes in an existing container.<\/td><\/tr>
docker history image<\/td>Displays the image history.<\/td><\/tr>
docker inspect image<\/td>Displays low-level information about an image.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Run Commands<\/strong><\/p>\n\n\n\n

Docker uses the run command to create containers from provided images. The default syntax for this command looks like this:<\/p>\n\n\n\n

docker run (options) image (command) (arg…)<\/p>\n\n\n\n

After the default syntax, use one of the following flags:<\/p>\n\n\n\n

Flag<\/th>Description<\/th><\/tr><\/thead>
–detach , -d<\/td>Runs a container in the background and prints the container ID.<\/td><\/tr>
–env , -e<\/td>Sets environment variables.<\/td><\/tr>
–hostname , -h<\/td>Sets a hostname to a container.<\/td><\/tr>
–label , -l<\/td>Creates a meta data label for a container.<\/td><\/tr>
–name<\/td>Assigns a name to a container.<\/td><\/tr>
–network<\/td>Connects a container to a network.<\/td><\/tr>
–rm<\/td>Removes container when it stops.<\/td><\/tr>
–read-only<\/td>Sets the container filesystem as read-only.<\/td><\/tr>
–workdir , -w<\/td>Sets a working directory in a container.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Registry Commands<\/strong><\/p>\n\n\n\n

If you need to interact with Docker Hub, use the following commands:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker login<\/td>Logs in to a registry.<\/td><\/tr>
docker logout<\/td>Logs out from a registry.<\/td><\/tr>
docker pull mysql<\/td>Pulls an image from a registry.<\/td><\/tr>
docker push repo\/ rhel-httpd:latest<\/td>Pushes an image to a registry.<\/td><\/tr>
docker search term<\/td>Searches Docker Hub for images with the specified term.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Service Commands<\/strong><\/p>\n\n\n\n

Manage all Docker services with these basic commands:<\/p>\n\n\n\n

<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker service ls<\/td>Lists all services running in a swarm.<\/td><\/tr>
docker stack services stackname<\/td>Lists all running services.<\/td><\/tr>
docker service ps servicename<\/td>Lists the tasks of a service.<\/td><\/tr>
docker service update servicename<\/td>Updates a service.<\/td><\/tr>
docker service create image<\/td>Creates a new service.<\/td><\/tr>
docker service scale servicename=10<\/td>Scales one or more replicated services.<\/td><\/tr>
docker service logs stackname servicename<\/td>Lists all service logs.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Network Commands<\/strong><\/p>\n\n\n\n

If you need to interact with the Docker network, use one of the following commands:<\/p>\n\n\n\n

Command<\/th>Description<\/th><\/tr><\/thead>
docker network create networkname<\/td>Creates a new network.<\/td><\/tr>
docker network rm networkname<\/td>Removes a specified network.<\/td><\/tr>
docker network ls<\/td>Lists all networks.<\/td><\/tr>
docker network connect networkname container<\/td>Connects a container to a network.<\/td><\/tr>
docker network disconnect networkname container<\/td>Disconnects a container from a network.<\/td><\/tr>
docker network inspect networkname<\/td>Displays detailed information about a network.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Let\u2019s look at some of the most popular Docker command examples. Build Commands Docker uses the build command for building images from a Docker file. Some of the most common commands include: Command Description docker build Builds an image from a Dockerfile in the current directory. docker build https:\/\/github.com\/docker\/rootfs.git#container:docker Builds an image from a remote […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_angie_page":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-149","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t