build.gradle

buildscript {
	ext {
		springBootVersion = '2.2.6.RELEASE'
		springVersion = '5.2.5.RELEASE'

//		**Option A that makes the app start** - downgrade Spring Boot to 2.1

//		springBootVersion = '2.1.13.RELEASE'
//		springVersion = '5.1.14.RELEASE'
	}
}

plugins {
	id 'org.springframework.boot' version "${springBootVersion}"
	id 'io.spring.dependency-management' version '1.0.9.RELEASE'
	id 'java'
}

group = 'com.example'
version = '0.0.1-SNAPSHOT'
java {
	sourceCompatibility = JavaVersion.VERSION_11
}

repositories {
	mavenCentral()
}

configurations {
	localDeps
}

dependencies {
	implementation('org.springframework.boot:spring-boot-starter-data-jpa') {
		// Spring comes with Hibernate by default - but we use EclipseLink instead
		exclude group: 'org.hibernate', module: ''
	}
	implementation 'org.eclipse.persistence:eclipselink:2.7.6'
	runtimeOnly 'com.h2database:h2'

	localDeps "org.springframework:spring-instrument:${springVersion}"
}

task prepareInstrumentation(type: Copy) {
	from configurations.localDeps
	into "${buildDir}/docker/"
	rename "spring-instrument-${springVersion}.jar", 'spring-instrument.jar'
}
processResources.dependsOn(prepareInstrumentation)