Install Docker Engine on Debian

Installing Docker Engine on Debian is a very striaght forward process. Add the official Docker repository, install the dependencies and docker, and you're done. 

Docker has an official install guide for Debian located at https://docs.docker.com/engine/install/debian/ 

Make sure your Debian system is up to date

To get started, first make sure your system is up to date. 

sudo apt update && sudo apt upgrade -y

Install some prerequisites

sudo apt-get install ca-certificates curl

Download the official Docker Repository Keyring

sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

Add the official Docker Repository

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

If all goes well, you should see the docker repository url when you run an apt update.

sudo apt-get update

Install Docker Engine

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

Verifying the Docker Engine install

You can verify the Docker Engine install by pulling down the official hello-world test image:

sudo docker run hello-world

That's it! You have sucessfully installed Docker Engine on Debian.