This sample demonstrates how to use PostgreSql on Google App Engine standard Java 8

• If you haven't already, Download and initialize the Cloud SDK

  gcloud init

• If you haven't already, Create an App Engine app within the current Google Cloud Project

  gcloud app create

• If you haven't already, Setup Application Default Credentials

  gcloud auth application-default login

• Create an instance

• Create a Database

• Create a user

• Note the Instance connection name under Overview > properties

$ mvn clean appengine:run -DINSTANCE_CONNECTION_NAME=instanceConnectionName -Duser=root -Dpassword=myPassword -Ddatabase=myDatabase

$ mvn clean package appengine:deploy -DINSTANCE_CONNECTION_NAME=instanceConnectionName -Duser=root
-Dpassword=myPassword -Ddatabase=myDatabase

• Delete your Instance