This is a base build.gradle for a Heroku spring-boot-gradle application

build.gradle

// Variables
def javaVersionLang = 1.8

// Buildscript
buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.2.6.RELEASE")
    }
}

// All Required Plugins for local and production running
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'spring-boot'
apply plugin: 'maven'

mainClassName = 'PUT.YOUR.MAIN.CLASS.PATH.HERE'

jar {
    baseName = 'NAME'
    version = 'VERSION-NUMBER'
}

sourceCompatibility = javaVersionLang
targetCompatibility = javaVersionLang

dependencies {
    
}

task wrapper(type: Wrapper) {
    gradleVersion = '2.6'
}

/* This task generates the pom.xml file that Heroku needs to build the app.
    NOTE: do not forgot to add the following to the top of the pom.xml after it is generated
    You have to do this manually until I figure out how to make gradle do it by itself
    
    <properties>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
*/
task generatePom << {
    pom {
        project {
            inceptionYear = '2015'
        }
    }.writeTo("pom.xml")
}