nebhale / gradle

A Cloud Native Buildpack that builds Gradle-based applications from source

gcr.io/paketo-buildpacks/gradle

The Paketo Buildpack is a Cloud Native Buildpack that build Gradle-based applications from source.

Behavior

This buildpack will participate ant of the following conditions are met

• <APPLICATION_ROOT>/build.gradle exists
• <APPLICATION_ROOT>/build.gradle.kts exists

The buildpack will do the following:

• Requests that a JDK be installed
• Links the ~/.gradle to a layer for caching
• If <APPLICATION_ROOT>/gradlew exists
  • Runs <APPLICATION_ROOT>/gradlew --no-daemon -x test build to build the application
• If <APPLICATION_ROOT>/gradlew does not exist
  • Contributes Gradle to a layer with all commands on $PATH
  • Runs <GRADLE_ROOT>/bin/gradle -x test build to build the application
• Removes the source code in <APPLICATION_ROOT>
• Expands <APPLICATION_ROOT>/build/libs/*.[jw]ar to <APPLICATION_ROOT>

Configuration

Environment Variable	Description
$BP_GRADLE_BUILD_ARGUMENTS	Configure the arguments to pass to build system. Defaults to --no-daemon -x test build.
$BP_GRADLE_BUILT_MODULE	Configure the module to find application artifact in. Defaults to the root module (empty).
$BP_GRADLE_BUILT_ARTIFACT	Configure the built application artifact explicitly. Supersedes $BP_GRADLE_BUILT_MODULE Defaults to build/libs/*.[jw]ar.

Bindings

The buildpack optionally accepts the following bindings:

Type: dependency-mapping

Key	Value	Description
<dependency-digest>	<uri>	If needed, the buildpack will fetch the dependency with digest <dependency-digest> from <uri>

License

This buildpack is released under version 2.0 of the Apache License.