Install Docker on Debian 12 (Bookworm)

How to Install Docker on Debian

Docker is a popular platform for developing, shipping, and running applications inside containers. This guide will show you how to install Docker on a Debian-based system.

Step 1: Update the Package Index and Install Necessary Packages

sudo apt-get update
sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

Step 2: Add Docker’s Official GPG Key

sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

Step 3: Set Up the Docker Repository

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

Step 4: Update the Package Index Again

sudo apt-get update
 
Add docker repo to linux

Step 5: Install Docker Engine, containerd, and Docker Compose

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

Step 6: Verify the Docker Installation

sudo docker run hello-world

Hello world in Docker

If the installation is successful, you should see a message saying "Hello from Docker!" indicating that Docker is installed and running correctly.

Congratulations! You now have Docker installed on your Debian system. Happy containerizing!

Location: Auckland, New Zealand

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