Docker and Docker Compose Installation of Ubuntu 20.04 Machine

Installation guide for Docker and Docker Compose on Ubuntu 20.04 Machine.

Install Docker and Docker Compose in Ubuntu 20.04

Uninstall the previous versions of the Docker present in the machine:
for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do sudo apt-get remove $pkg; done
Update the apt package and install the all certificates to allow the repo to use over HTTPS:
sudo apt-get update sudo apt-get install ca-certificates curl gnupg
Add Docker's official GPG Key:
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
Use the following command to set up the repository:
echo \ "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \ "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \ sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
Update the apt package index:
sudo apt-get update
Install the Docker Engine, containerd, and Docker Compose:
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
Check the version of the Docker and Docker Compose:
docker --version
docker compose version