https://guides.micronaut.io/micronaut-creating-first-graal-app/guide/index.html
Follow along
git clone https://github.com/micronaut-guides/micronaut-creating-first-graal-app.git
cd micronaut-creating-first-graal-app
cd complete
./gradlew assemble
Test running yor app
java -jar build/libs/complete-0.1.jar
14:22:57.559 [main] INFO io.micronaut.runtime.Micronaut - Startup completed in 1187ms. Server Running: http://localhost:8080
Create a executable native image
./build-native-image.sh
Test running yor app nativelly
./micronaut-graal-app
14:21:50.997 [main] INFO io.micronaut.runtime.Micronaut - Startup completed in 23ms. Server Running: http://localhost:8080
Startup time is almost instantaneously
Startup completed in 23ms
and when running from traditional jar file
Startup completed in 1187ms