This sample demonstrates how to use Cloud SQL on Google App Engine standard Java 11. Find more information about connecting to Cloud SQL from App Engine.

• Download and initialize the Cloud SDK

  gcloud init

• If this is your first time creating an App Engine application:

   gcloud app create

• Setup Application Default Credentials

  gcloud auth application-default login

• Create an Instance

• Create a Database

• Note the Instance connection name under Overview > properties

Edit the environment variables in the app.yaml file with your Cloud SQL credentials:

env_variables:
  DB_INSTANCE: <project_id>:<instance_region>:<database_instance>
  DB_DATABASE: <database_name>
  DB_USER: <user_name>
  DB_PASSWORD: <password>

mvn clean package appengine:deploy -Dapp.deploy.projectId=<your-project-id>

• Delete your Instance