# Add Docker's official GPG key:
echo "==> apt-get update"
sudo apt-get update
echo "==> apt-get install ca-certificates curl"
sudo apt-get install ca-certificates curl
echo "==> install -m 0755 -d /etc/apt/keyrings"
sudo install -m 0755 -d /etc/apt/keyrings
echo "==> curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc"
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
echo "==> chmod a+r /etc/apt/keyrings/docker.asc"
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo "==> add the repo to apt sources"
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
echo "==> apt-get update"
sudo apt-get update
echo "==> apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin"
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
echo "==> systemctl start docker"
sudo systemctl start docker