Docker Swarm on Debian 12 (Bookworm)

Part 2: Docker installation

Uninstall old versions

Run the following command

for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt remove $pkg; done

Install using the apt repository

To update and install/upgrade necessary packages

sudo apt update
sudo apt install -y ca-certificates curl gnupg

To add Docker's GPG key

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

To setup the repository

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

To install the Docker engine

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