Docker is a popular platform for developing, shipping, and running applications inside containers. Docker Compose is a tool for defining and running multi-container Docker applications. In this guide, we will walk you through the steps to install Docker and Docker Compose on Debian 11.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo apt update && sudo apt upgrade -y

Step 2: Install Required Packages

Install the required packages to allow apt to use a repository over HTTPS:

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

Step 3: Add Docker’s Official GPG Key

Add the Docker GPG key to your system:

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

Step 4: Add the Docker Repository

Add the Docker repository to your apt sources:

echo "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list

Step 5: Install Docker

Update the package index again and install Docker:

sudo apt update
sudo apt install docker-ce -y

Step 6: Start and Enable Docker

Start the Docker service and enable it to start on boot:

sudo systemctl start docker
sudo systemctl enable docker

Step 7: Verify Docker Installation

Check if Docker is installed correctly by running:

sudo docker run hello-world

Step 8: Install Docker Compose

Download the latest version of Docker Compose:

sudo curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose

Set the permissions:

sudo chmod +x /usr/local/bin/docker-compose

Step 9: Verify Docker Compose Installation

Check if Docker Compose is installed correctly:

docker-compose --version

Conclusion

You have successfully installed Docker and Docker Compose on Debian 11. This powerful toolset will help you manage your applications efficiently.

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