Download the Docker image here: http://snacklinux.org/downloads/docker/ See below for an example.

cat snacklinux-22.06.15-docker.tar | sudo docker import - snacklinux-22.06.15-docker
sudo docker run -i -t snacklinux-22.06.15-docker /bin/bash

1. Open a terminal window on your Debian 11 machine. Make sure you are logged in as an administrative user.

2. Update the package list by entering the following command in your terminal:

sudo apt-get update

3. Install Docker's dependences to make sure all the required packages are available:

sudo apt-get install apt-transport-https ca-certificates curl gnupg2 software-properties-common

4. Add the GPG key for Docker's repositories:

curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add –

5. Add the Docker repository to Debian:

sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable"

6. Update the package list once again:

sudo apt-get update

7. Install Docker:

sudo apt-get install docker-ce docker-ce-cli containerd.io

8. Check the status of the Docker service:

sudo systemctl status docker

9. Start Docker:

sudo systemctl start docker

10. To make sure Docker will start when the system restarts, enter this command:

sudo systemctl enable docker

11. Finally, check the version of Docker by running the following command:

docker -v