Micronaut.md

Micronaut

https://micronaut.io/

Tutorial

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

Understanding the advantage of having a native executable image

Startup time is almost instantaneously

Startup completed in 23ms

and when running from traditional jar file

Startup completed in 1187ms

Fantastic, isn't it ? Thank you, GraalVM !