Create version file in Gradle - Spring

AppConfig.groovy

import org.springframework.beans.factory.annotation.Value
import org.springframework.context.annotation.Configuration
import org.springframework.context.annotation.PropertySource

@Configuration
@PropertySource('classpath:application.properties')
class AppConfig {

    @Value('${app.version.major}')
    def major

    @Value('${app.version.minor}')
    def minor

    @Value('${app.version.patch}')
    def patch

    @Value('${app.version.release}')
    def release
}