Sets env variable to allow Boot apps to build with GraalVM v22.2

native/native_image.go

@@ -69,6 +69,12 @@ func (n NativeImage) Contribute(layer libcnb.Layer) (libcnb.Layer, error) {
 	if err != nil {
 		return libcnb.Layer{}, fmt.Errorf("unable to process arguments\n%w", err)
 	}
+	moduleVar := "USE_NATIVE_IMAGE_JAVA_PLATFORM_MODULE_SYSTEM"
+	if _, set := os.LookupEnv(moduleVar); !set{
+		if err := os.Setenv(moduleVar, "false"); err != nil{
+			n.Logger.Bodyf("unable to set %s for GraalVM 22.2, if your build fails, you may need to set this manually at build time", moduleVar)
+		}
+	}
 
 	buf := &bytes.Buffer{}
 	if err := n.Executor.Execute(effect.Execution{