A simple script that just performs the official debian installation commands from the docker website - START AS ROOT!

install-docker.sh

apt-get remove docker docker-engine docker.io containerd runc -y
apt-get update -y
apt-get install -y \
    ca-certificates \
    curl \
    gnupg \
    lsb-release
curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
  $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
apt-get install docker-ce docker-ce-cli containerd.io -y