Docker

Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications, whether on laptops, data center VMs, or the cloud.

Installation

First, you need to set up the Docker repository.

Then, to install the latest version, run:

sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Configuration

If you would like to use Docker as a non-root user, you should now consider adding your user to the "docker" group with something like:

sudo usermod -aG docker your-user

Remember to log out and back in for this to take effect!

Usage

To test Docker installation:

docker run hello-world

To list Docker images:

docker image ls

To list all Docker containers:

docker container ls --all

To list running containers:

docker ps

To kill all running containers:

docker kill $(docker ps -q)

To delete all stopped containers:

docker rm $(docker ps -a -q)

To delete all images:

docker rmi $(docker images -q)