Install Docker

Ubuntu

Install packages to use apt over HTTPS

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

Add GPG key for the official Docker repo

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

Add Docker repo to apt

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

Update packages

sudo apt update

Check that Docker installs from the official Docker repo:

apt-cache policy docker-ce

Install Docker

sudo apt install docker-ce

Verify Docker is installed and running

sudo systemctl status docker