Install docker on Ubuntu

Based on https://docs.docker.com/engine/install/ubuntu/

sudo apt-get update

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

Use the following command to set up 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

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

Test

sudo docker run hello-world

Run a useful container, e.g headless chrome

sudo docker run --name chrome -d -p 4000:3000 --restart unless-stopped browserless/chrome

Confirm it runs

sudo docker ps -l

Stop it

sudo docker stop <container_id | container_name>

List images

sudo docker images

Remove images

sudo docker rmi hello-world