Setup Docker on Ubuntu Server

setup-docker.sh

echo -e '\u001B[32m'Setting up Docker!'\033[0m'
# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl gnupg
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor | sudo tee /etc/apt/keyrings/docker.gpg > /dev/null
sudo chmod a+r /etc/apt/keyrings/docker.gpg

echo Adding the docker repository to Apt sources:
# Add the repository to Apt sources:
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
sudo apt-get update

echo -e '\u001B[32m'Installing the latest Docker packages:'\033[0m'
# Install the latest Docker packages.
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y

echo -e '\u001B[32m'Testing docker run with sudo:'\033[0m'
# Verify that the Docker Engine installation is successful by running the hello-world image.
sudo docker run hello-world

# The docker group grants root-level privileges to the user. For details on how this impacts security in your system, see Docker Daemon Attack Surface.
# Create the docker group.
if ! getent group docker > /dev/null 2>&1; then
    echo -e '\u001B[32m'Adding group "docker"'\033[0m'
    sudo groupadd docker
fi

echo -e '\u001B[32m'Adding $USER to group "docker"'\033[0m'
# Add your user to the docker group.
sudo usermod -aG docker $USER

echo -e '\u001B[32m'Finished setting up Docker!'\033[0m'

echo -e '\u001B[32m'Activating changes to groups. 
echo -e '\033[0m'Try the command '\u001B[34m'"docker run hello-world"'\033[0m'
echo -e to verify that docker is working without sudo command. 
echo -e '\033[0m'If not, try logging out and back in again.'\033[0m'
# run the following command to activate the changes to groups
newgrp docker

Paste this command in the terminal to run the whole gist:

/bin/bash -c "$(curl -fsSL https://gist.githubusercontent.com/CalebBarnes/1cebffedda280138e6c4e6a5911310ab/raw/45251744edd379ce43fde75a6bec62e23b1e67b2/setup-docker.sh)"