spring-boot/spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/gradle/packaging/boot-jar-launch-script-properties.gradle.kts

import org.springframework.boot.gradle.tasks.bundling.BootJar

plugins {
	java
	id("org.springframework.boot") version "{gradle-project-version}"
}

tasks.named<BootJar>("bootJar") {
	mainClass.set("com.example.ExampleApplication")
}

// tag::launch-script-properties[]
tasks.named<BootJar>("bootJar") {
	launchScript {
		properties(mapOf("logFilename" to "example-app.log"))
	}
}
// end::launch-script-properties[]