sample-pack-java8/upack.json

{
    "name": "test-java",
    "version": "v1alpha2",
    "description": "test java pack",
    "engines": {
        "build": "adoptopenjdk/openjdk8",
        "deploy": "adoptopenjdk/openjdk8"
    },
    "build_steps": [
        "exec ./build.sh", "exec ./clean.sh"
    ],
    "deploy_steps": ["exec ./deploy.sh"],
    "main": "java -jar /app/app.jar",
    "author": "test"
}