Demo for Cloud Build
git clone https://github.com/briantanseng/hello-cloud-build.git [your project directory]
cd [your project directory]
docker build -t gdg/hello-cloud-build .
# run on port 8080
docker run -p 8080:8080 gdg/hello-cloud-build
# run as a backgroud process
docker run -p 8080:8080 -d gdg/hello-cloud-build
# run and remove when it's terminated
docker run -p 8080:8080 --rm gdg/hello-cloud-build