OpenShift S2I Builder for Java
This Source-to-Image Builder let’s you create projects targetting Java OpenJDK 8 and built with:
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maven
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gradle
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Note
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If a project has a pom.xml and a build.gradle, maven will take precedence |
This builder/runtime s2i image can be used with SpringBoot, Vert.X, Wildfly Swarm, DropWizard and many other microservices frameworks.
BUILD ENV Options
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APP_SUFFIX: Jar file suffix to use to locate the generated artifact to use (e.g. xxxxx${APP_SUFFIX}.jar)
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BUILDER_ARGS: Allows you to specify options to pass to maven or gradle
RUN ENV Options
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APP_OPTIONS: Options to pass to java -jar app.jar ${APP_OPTIONS}
Defaults
If you do not specify any BUILDER_ARGS, by default the s2i image will use the following:
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Maven
BUILDER_ARGS="package -Popenshift -DskipTests -Dcom.redhat.xpaas.repo.redhatga"
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Gradle
BUILDER_ARGS="build -x test"
Test in OpenShift
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First load all the needed resources in a project.
oc create -f https://raw.githubusercontent.com/jorgemoralespou/s2i-java/master/ose3/s2i-java-imagestream.json
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Once the builder s2i-java has been registered, you can create an app with:
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Instant app already provided as template
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Using the s2i-java builder image using a regular Git repository
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Samples
There is a lot of example SpringBoot applications here