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Gradle Starter Application

This is a Hexagon service created from a template.

Software Requirements

To build the application you will need:

  • JDK 11+ for compiling the sources.
  • An Internet connection to download the dependencies.

To run the application:

  • For the Gradle distribution: JRE 11+ is required (JDK is not required at runtime).
  • For the jpackage bundle: any major OS will run it (Alpine Linux causes problems).
  • To run the native executable there is no specific requirements.

Development

  • Build: ./gradlew build
  • Rebuild: ./gradlew clean build
  • Run: ./gradlew run
  • Test (*Test): ./gradlew test
  • Integration Test (*IT): ./gradlew verify
  • Test Coverage: ./gradlew jacocoTestReport
  • Run Container (after assemble): ./gradlew dockerBuild && docker-compose up -d

The reports are located in the build/reports directory after building the project.

Gradle Wrapper Setup

You can change the Gradle version in gradle/wrapper/gradle-wrapper.properties.

Docker

To generate the Docker images, you can use the dockerBuild Gradle task: ./gradlew dockerBuild. After that you can start the whole service stack executing: docker-compose up -d.

Usage

After building the project (./gradlew build), archives with the application's distributions are stored in build/distributions.

To install the application you just need to unpack one distribution file.

After installing the application, you can run the application executing the bin/gradle_starter script.

Once the application is running, you can send a request executing: curl http://localhost:9090/text

Native Image

./gradlew -P agent test
./gradlew nativeCompile

# Executable
build/native/nativeCompile/gradle_starter

# Memory
ps -o rss -C gradle_starter