Docker commands with examples

List of Docker Commands with Examples

Estimated read time: 8 minutes

Looking for a list of Docker commands with examples?

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Docker is becoming a popular technology for distributing and deploying web apps. It makes the whole development operations process easier, faster, and cheaper – all while reducing the number of servers needed. Why wouldn’t you want to use it?

I’m going to go through some of the most common Docker commands with examples and explain what they do, so you can start experimenting with them right away. We’ve already discussed Docker, its benefits, and some basic commands in a previous blog post.

Firstly, let’s get clear up some docker jargon terms to make sure you know what I’m talking about with each command:

  • Container – These are what docker is built on. They encapsulate an application and all of its libraries and dependencies, so it can be run anywhere Docker is installed. There are other containerization platforms, so check out how Docker stacks up against Kubernetes.
  • Image – A Docker Image is a file that is essentially a snapshot of a container. You can create a container by running a Docker Image
  • Docker Hub – A public registry for developers to distribute their code.
  • [OPTIONS] – Here’s where you can add options to your commands to get different results. Each command has lots of options associated with it. Refer to the documentation for all the details.
  • [COMMAND] – Here’s where you put the parameters for your command. Depending on the command, it might be a file name or a container ID.
  • [ARG…] – Here is where you can write additional arguments for a command.

Docker Terminal Command Basics

Every command has a basic structure. Here’s an example command:

An example of a basic Docker command line

Important Docker Commands List

Here are some commands to try out on the command line. Just make sure you have Docker running!

docker run

Description: docker run is probably the most important command on this Docker list. It creates a new container, then starts it using a specified command. It is the equivalent of using docker create and then immediately using docker start (we‘ll go through those below).

Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

Example: docker run hello-world


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This example will download, create and run the ‘hello-world’ container from the docker hub. Try it out!

docker create

Description: This command creates a new container and prepares it to run the specified command, but doesn’t run it. The ID is printed to STDOUT. This command is similar to docker run but the container is never started. It can be started at any time with docker start <container_id>.

This can be useful if you want to create and prepare a container for running at a later time.

Usage: docker create [OPTIONS] IMAGE [COMMAND] [ARG...]

Example: docker create hello-world

This will download and create the hello-world container same as above, but it won’t run it.

docker start

Description: Starts container, either created with docker create or one that was stopped. More info.

Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

Example: docker start hello-world

docker stop

Description: Stops a running container. More info.

Usage: docker stop [OPTIONS] CONTAINER [...]

Example: docker start hello-world

This example will stop the container we started in the example above. You can use docker start to start it back up again.

docker ps

Description: Use this command to list the docker containers available. By default, only running ones are listed, but you can add options such as -a to get a docker container list. More info.

Usage: docker ps [OPTIONS]

Example: docker ps -a

The above command will display all containers on your system. The output will look something like this:


docker rm

Description: Removes a container. Once you use docker ps to list available containers, you can use this command to remove one or more of them.


Example: docker rm -f redis

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This example will remove the container called ‘redis’. The -f tag forces the action, meaning the container will receive a SIGKILL command first.

docker rmi

Description: Docker RMI command stands for remove image. Similar to docker rm but removes the docker image rather than a running instance of an image (called a container).

Usage: docker rmi [OPTIONS] IMAGE [IMAGE...]

Example: docker rmi test

This example will remove the image name ‘test’. Use the docker images command to get a list of images and ids.


docker login 

Description: Let’s you login to a docker registry. You can use this command to log into any public or private registry. You’ll probably use this to log into Docker Hub.

Usage: docker login [OPTIONS] [SERVER]

Example: docker login localhost:8080

Here we are logging into a self-hosted registry by specifying the server name. Otherwise, just use docker login to log into your Docker Hub registry.

docker tag

Description: Use this command to create a tag TARGET_IMAGE that refers to SOURCE_IMAGE.


Example: docker tag 7d9495d03763 maryatdocker/docker-whale:latest

Here we are tagging a local image with ID “7d9495d03763″ into the “maryatdocker/docker-whale” repository with the tag “latest”

An example of a Docker tag command

docker push

Description: docker push is the command you’ll use to share your images to Docker Hub or another registry. It’s a key part of the deployment process, and you’ll need to use it with docker tag and docker login to work properly.

Usage: docker push [OPTIONS] NAME[:TAG]

Example: docker push maryatdocker/docker-whale

This example will push the image we tagged above to the repository. It’s actually the example from the docs, check out the full page here.

Combine it with the tag command like this:

A screenshot of a Docker push command

docker exec

Description: The exec command can be used to run a command in a container that is already running. docker run lets us run a command when starting a container, and docker exec can be used to feed subsequent commands to a container.

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Usage: docker exec [OPTIONS] CONTAINER COMMAND [ARG...]


First, start a container with docker run --name ubuntu_bash --rm -i -t ubuntu bash

Now we can execute a command on that container to create a new file with docker exec -d ubuntu_bash touch /tmp/execWorks

docker container logs 

Description: Getting deeper into using docker, the docker logs command lets you see the log file for a running container. However, it can only be used with containers that were started with the json-file or journald logging driver

Usage: docker logs [OPTIONS] CONTAINER

Example: docker logs -f MyCntr

docker kill

Description: Sometimes you just need to kill one or all running containers. Similar to SIGKILL (this is actually the message it will receive), docker kill will stop a container from running.

Usage: docker kill [OPTIONS] CONTAINER [CONTAINER...]

Example: docker kill MyCntr

docker swarm

Description: Use docker swarm to manage a swarm. You can initialize a swarm, add manager and worker nodes, and update a swarm. This command is actually a whole bunch of commands in one – take a look at all of the child commands here.

Example: docker swarm init --advertise-addr <MANAGER-IP>

This will initialize a swarm and give us back the address to add workers to the swarm later. For a better understanding of how to use docker swarms, take a look at the create a swarm tutorial in the docs.

Start Experimenting with these docker commands!

This docker reference should be enough to get you started using docker on the command line. Signup for a Docker hub account if you don’t have one and have a go at deploying your own app. Once you get used to the process, you’ll never go back to your old deployment habits.

If you want experienced software developers to handle your software product development and deployment and do not find such talent in your project team, partner with a reputed software development agency. 

DevTeam.Space is one such community of field-expert software developers. You can outsource these vetted and managed software developers by writing to us your project requirements. One of our account managers will get back to you for further guidance on the process.

Frequently Asked Questions on docker commands

What is Docker?

Docker is a cloud-based PaaS platform that allows OS-level virtualization.

What is the Docker Run command?

Docker run command allows a container to be created from an image so that it can be run.

How do I run Docker?

Docker can be run either in default ‘attached mode’ or in ‘detached mode’. The attached mode runs the program in the foreground while detached runs it in the background.


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