This guide explains how to install Docker on Linux Mint/Ubuntu.

Install Required Packages

First, update your package index and install the necessary packages:

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

Add Docker's Official GPG Key

Create the keyrings directory and add Docker's GPG key:

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

Add the Docker Repository

Add Docker's repository with the correct Ubuntu code name:

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

Update Package Index

Update the package index to include Docker packages:

sudo apt-get update

Install Docker

Finally, install Docker and its components:

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

Verify Installation

To verify that Docker is installed correctly, run:

sudo docker run hello-world

Optional: Add User to Docker Group

To run Docker commands without sudo, add your user to the docker group:

sudo usermod -aG docker $USER