App Engine SparkJava with Java8

Sample written in SparkJava 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

In the pom.xml, update the App Engine Maven Plugin with your Google Cloud Project Id:

<plugin>
  <groupId>com.google.cloud.tools</groupId>
  <artifactId>appengine-maven-plugin</artifactId>
  <version>2.2.0</version>
  <configuration>
    <projectId>myProjectId</projectId>
    <version>GCLOUD_CONFIG</version>
  </configuration>
</plugin>

Note: GCLOUD_CONFIG is a special version for autogenerating an App Engine version. Change this field to specify a specific version name.

Maven

Running locally

mvn package appengine:run

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

Deploying

mvn package 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:

For further information, consult the Java App Engine documentation.

Sunbelt Computer Software

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