We are going to install docker from docker repository on an AWS Ubuntu server. The steps given here are as per the official docker installation document

Set up the Repository

Update apt package index

sudo apt-get update

Install packages to allow apt to use a repository over HTTPS

sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

Add Docker’s official GPG key

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

Setup the stable repository

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

Install Docker Engine

Update apt package index

sudo apt-get update

install the latest version of Docker Engine and containerd

sudo apt-get install docker-ce docker-ce-cli containerd.io

Test Installation

Run a Hello World docker container. You should see a hello-world image pull and a hello world message.

User Set up

Add your user id in Docker user group

sudo usermod -aG docker $USER

Reboot server

sudo reboot now

Check docker images and running containers in your server.

Latest version of Docker engine is successfully installed.