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OpenShift S2I Builder for Java Docker image

This Source-to-Image Builder let's you create projects targetting Java OpenJDK 8 and built with maven

This builder/runtime s2i image can be used with SpringBoot, Vert.X, Wildfly Swarm, DropWizard and many other microservices frameworks.

BUILD ENV Options

  • MAVEN_ARGS: Allows you to specify options to pass to maven (Default: install)
  • ARTIFACT_DIR: Path to find where the jar files are created when build (Default: target)

RUN ENV Options

  • JAVA_OPTS: Options to pass to java -jar app.jar ${JAVA_OPTS}

Defaults

If you do not specify any MAVEN_ARGS, by default the s2i image will use the following:

MAVEN_ARGS="install"

--

If you do not specify any ARTIFACT_DIR, by default the s2i image will use the following:

ARTIFACT_DIR="target"

Test in OpenShift

  • First load all the needed resources in a project.
oc import image luiscoms/s2i-java --all
  • Once the builder s2i-java has been registered, you can create an app with:
    • Instant app already provided as template
    • Using the s2i-java builder image using a regular Git repository

Samples

There is a lot of example SpringBoot applications here