App Engine Javalin with Java8

Sample written in Javalin for use with App Engine Java8 Standard.

See the Google App Engine standard environment documentation for more detailed instructions.

• Java 8
• Maven (at least 3.5)
• Google Cloud SDK (aka gcloud command line tool)

Setup

• Download and initialize the Cloud SDK

  gcloud init

• Create an App Engine app within the current Google Cloud Project

  gcloud app create

Maven

Running locally

mvn appengine:run

To use vist: http://localhost:8080/

Deploying

mvn appengine:deploy

To use vist: https://YOUR-PROJECT-ID.appspot.com

Testing

mvn verify

As you add / modify the source code (src/main/java/...) it's very useful to add unit testing to (src/main/test/...). The following resources are quite useful:

• Junit4
• Mockito
• Truth

For further information, consult the Java App Engine documentation.