How to Install Docker Compose on Ubuntu 20.04

Docker Compose is Docker's official tool for defining and running multi-container applications with a YAML file: one command spins up every service, network, and volume it describes. On Ubuntu 20.04 it is installed by downloading the standalone binary from GitHub, though Docker recommends moving to the v2 CLI plugin, since v1 is no longer maintained.

September 1, 2020 5 min 265 4.2

How to Install

How to Install Docker on Ubuntu 20.04

To install Docker on Ubuntu 20.04, add Docker's own repository (not Ubuntu's, which tends to lag behind), import its GPG key, install the docker-ce package, and add your user to the docker group so you can run containers without sudo. Running docker run hello-world at the end confirms the daemon works.

September 1, 2020 4 min 271 4.4