1. You need to install GraalVM and set it as default JDK. If you want to build and run it on Apple M1, please refer to this doc for how to install GraalVM.
2. In the project folder run the below command to build:

./mvnw -Pnative -DskipTests clean package

3. You will find the artifacts in target folder:

❯ ls -l ./target
total 84276
drwxr-xr-x 6 linyang staff      192 Mar 29 10:52 classes
drwxr-xr-x 4 linyang staff      128 Mar 29 10:52 generated-sources
drwxr-xr-x 4 linyang staff      128 Mar 29 10:52 generated-test-sources
drwxr-xr-x 3 linyang staff       96 Mar 29 10:52 maven-archiver
drwxr-xr-x 3 linyang staff       96 Mar 29 10:52 maven-status
-rwxr-xr-x 1 linyang staff 68678736 Mar 29 10:54 spring-helloworld
-rw-r--r-- 1 linyang staff 17563418 Mar 29 10:52 spring-helloworld-0.0.1-exec.jar
-rw-r--r-- 1 linyang staff    45673 Mar 29 10:52 spring-helloworld-0.0.1.jar
-rw-r--r-- 1 linyang staff       32 Mar 29 10:54 spring-helloworld.build_artifacts.txt
drwxr-xr-x 5 linyang staff      160 Mar 29 10:52 test-classes

4. Run it:

• Native mode:

./target/spring-helloworld

You'll see the output like this:

❯ ./target/spring-helloworld
2022-03-29 10:58:21.214  INFO 52649 --- [           main] o.s.nativex.NativeListener               : This application is bootstrapped with code generated with Spring AOT

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::               (v2.5.11)

2022-03-29 10:58:21.216  INFO 52649 --- [           main] c.e.spring.SpringHelloworldApplication   : Starting SpringHelloworldApplication v0.0.1 using Java 11.0.13 on LINYANG-MBP-2019.local with PID 52649 (/Users/linyang/workspace/flomesh-projects/spring-helloworld/target/spring-helloworld started by linyang in /Users/linyang/workspace/flomesh-projects/spring-helloworld)
2022-03-29 10:58:21.216  INFO 52649 --- [           main] c.e.spring.SpringHelloworldApplication   : No active profile set, falling back to 1 default profile: "default"
2022-03-29 10:58:21.255  INFO 52649 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2022-03-29 10:58:21.256  INFO 52649 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2022-03-29 10:58:21.256  INFO 52649 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.60]
2022-03-29 10:58:21.260  INFO 52649 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2022-03-29 10:58:21.260  INFO 52649 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 43 ms
2022-03-29 10:58:21.278  INFO 52649 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2022-03-29 10:58:21.279  INFO 52649 --- [           main] c.e.spring.SpringHelloworldApplication   : Started SpringHelloworldApplication in 0.081 seconds (JVM running for 0.083)

• Normal mode: Execute:

java -jar ./target/spring-helloworld-0.0.1-exec.jar

You'll see the output like this:

❯ java -jar ./target/spring-helloworld-0.0.1-exec.jar

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::               (v2.5.11)

2022-03-29 10:59:30.265  INFO 52723 --- [           main] c.e.spring.SpringHelloworldApplication   : Starting SpringHelloworldApplication v0.0.1 using Java 11.0.13 on LINYANG-MBP-2019.local with PID 52723 (/Users/linyang/workspace/flomesh-projects/spring-helloworld/target/spring-helloworld-0.0.1-exec.jar started by linyang in /Users/linyang/workspace/flomesh-projects/spring-helloworld)
2022-03-29 10:59:30.269  INFO 52723 --- [           main] c.e.spring.SpringHelloworldApplication   : No active profile set, falling back to 1 default profile: "default"
2022-03-29 10:59:31.151  INFO 52723 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat initialized with port(s): 8080 (http)
2022-03-29 10:59:31.162  INFO 52723 --- [           main] o.apache.catalina.core.StandardService   : Starting service [Tomcat]
2022-03-29 10:59:31.162  INFO 52723 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet engine: [Apache Tomcat/9.0.60]
2022-03-29 10:59:31.223  INFO 52723 --- [           main] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring embedded WebApplicationContext
2022-03-29 10:59:31.224  INFO 52723 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 894 ms
2022-03-29 10:59:31.513  INFO 52723 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2022-03-29 10:59:31.521  INFO 52723 --- [           main] c.e.spring.SpringHelloworldApplication   : Started SpringHelloworldApplication in 1.697 seconds (JVM running for 2.137)