Next step is to update the package cache with all the package information from the newly added repository by using apt update or apt-get update command as shown below. echo "deb $(lsb_release -cs) stable" | sudo tee /etc/apt//docker.list > /dev/null Then add the stable docker repository URL in the apt source file using below command. curl -fsSL | gpg -dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg This is required to verify the integrity of the package.
Get:5 focal-backports InRelease įirst you need to download the Docker GPG Key using below curl command. It is essential to run System update using apt update or apt-get update command to let the System know if there are any updates or a new package available in the repo. How to Install Docker Compose on Ubuntu 20.04 LTSĪlso Read: Docker CMD vs ENTRYPOINT: Understanding the difference and Usage Step 1: PrerequisitesĪ) You should have a running Ubuntu 20.04 LTS Server.ī) You should have sudo or root access to run privileged commands.Ĭ) You should have apt or apt-get utility available in your System.ĭ) You should also have gpg, curl and tee utility installed in your System. Here we will see the steps to install docker compose on Ubuntu 20.04 LTS. It can be easily installed in almost all kind of environments. It uses a YAML config file called docker-compose.yml to create and run multiple containers as a single service.
It is known to be the orchestrating and launching tool for multi container applications. So to make life easier it is always recommended to use a completely free and open source tool called Docker Compose.
Further more, with the increase in the number of application containers, it becomes almost impossible to keep track of and manage all those containers. If you are using multiple containers based application then you might be aware of the pain of writing and managing tons of code in multiple docker files to create and deploy that application. In this article, I will take you through step by step guide to install docker compose on Ubuntu 20.04 LTS.
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