startup script for installing docker in GCP

startup.sh

#!/bin/bash

apt-get update

apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -

add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

apt-get update

apt-get install -y docker-ce

After installation of docker add user

sudo groupadd docker
sudo usermod -aG docker $USER

• Restart the VM
• Try running test container docker run hello-world