Useful Docker Commands

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Docker provides a rich set of actions that can be used to build, run, tag, and push images.

Below is a list of handy Docker commands used in practice.

Note: In the following commands the following arguments are used:

Build Images

To build an image, use the following command, where PATH sets the location of the Dockerfile and referenced application files:

docker build [OPTIONS] PATH

Run Images

To run an image, use the following command:

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

Get Logs

To get the logs from a Docker container, use the following command:

docker logs CONTAINER_ID

Where the CONTAINER_ID is the ID of the Docker container that runs an application.

List Images

To list all available images, use the following command:

docker images

List Containers

To list all running containers, use the following command:

docker ps

Tag Images

To tag an image, use the following command, where SOURCE_IMAGE defines the name of an image on the current machine and TARGET_IMAGE defines the repository, name, and version of an image:

docker tag SOURCE_IMAGE[:TAG] TARGET_IMAGE[:TAG]

Login to DockerHub

To login into DockerHub, use the following command:

docker login

Push Images

To push an image to DockerHub, use the following command:

docker push NAME[:TAG]

Pull Images

To pull an image from DockerHub, use the following command:

docker pull NAME[:TAG]
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