Docker Engine installation

How to download in Ubuntu (updated on Sep.2024)

For detailed instructions follow the documentation: https://docs.docker.com/engine/install/ubuntu/

Below are the instructions for Ubuntu.

Preparation

#remove any previous installation
for pkg in docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc; do sudo apt-get remove $pkg; done

sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

Setup Repository [recommended]

echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt-get update

Install Docker Engine

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Add docker to give non root user access

sudo groupadd docker

sudo usermod -aG docker $USER

Logout session or use command below to activate the new changes
```
newgrp docker
```
Installation verification
```
docker run hello-world
```