How to Install Docker on Ubuntu

This is just for my own note so that I don’t have to Google around for every time I do this for my own.

Execute the following commands.

sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates curl gnupg lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [arch=amd64 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
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
sudo usermod -aG docker $USER

This way I just have to copy and paste all the commands listed here to have a running Docker on a Ubuntu host.

To test the Docker installation, execute and make sure the following command executes successfully.

$ docker run hello-world

I am going to take another note below for installing docker compose as well.

sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

To test docker compose installation, make sure the following command executes successfully.

docker-compose -v

Author: admin

A software engineer in greater Seattle area

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