Using Docker On Ubuntu
loadpolitical.danelleandryan.us › using-docker-onJan 02, 2022 · Step 1 - Install Docker on Ubuntu 20.04. Before creating a Dockerfile, we will install the Docker to our Ubuntu 20.04 system, which is available by default on Ubuntu FocalFossa repository. Update all packages list on the Ubuntu repository and install Docker using the apt command below. Sudo apt update sudo apt install docker.io.