https://github.com/crush-157/spring-boot-3-rc

Examples using Spring Boot 3 (Release Candidate) and GraalVM
https://github.com/crush-157/spring-boot-3-rc

Last synced: 18 days ago
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Examples using Spring Boot 3 (Release Candidate) and GraalVM

• Host: GitHub
• URL: https://github.com/crush-157/spring-boot-3-rc
• Owner: crush-157
• Created: 2022-11-08T13:42:39.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2022-11-11T11:19:51.000Z (about 2 years ago)
• Last Synced: 2024-11-16T13:06:10.502Z (3 months ago)
• Language: Java
• Size: 2.5 MB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Testing with Spring Boot 3 Release Candidate and Native image.

## Pre - Requisites

Make sure that you are using GraalVM _22.**3**.0_ or better and the equivalent version of native-image.

## Spring Initializr

Use [Spring Initializr](https://start.spring.io/) to get started.

Links to configurations used in this example:

[Maven](https://start.spring.io/#!type=maven-project&language=java&platformVersion=3.0.0-RC1&packaging=jar&jvmVersion=17&groupId=com.example&artifactId=vanilla&name=vanilla&description=Demo%20project%20for%20Spring%20Boot&packageName=com.example.vanilla&dependencies=native,web)

[Gradle](https://start.spring.io/#!type=gradle-project&language=java&platformVersion=3.0.0-RC1&packaging=jar&jvmVersion=17&groupId=com.example&artifactId=vanilla&name=vanilla&description=Demo%20project%20for%20Spring%20Boot&packageName=com.example.vanilla&dependencies=native,web)

## What's in the folders?

### [initializr](./initializr/)

A folder for each of the build engines

- [gradle](./initializr/gradle/)

- [maven](./initializr/maven/)

Each folder contains:

- generated skeleton application (vanilla.zip)

- screenshot of the configuration used

### [code](./code/)

Contains a simple controller for the sample app [Hello.java](./code/Hello.java) (404 is not a great respoonse).

`Hello.java` has been added to the src tree under each of the [builds](./builds/).

### [builds](./builds/)

Contains unzipped builds of the `vanilla` application for `maven` and `gradle` in respectively named folders:

- [gradle](./builds/gradle/vanilla/)

- [maven](./builds/maven/vanilla/)

Each of these contains the 'vanilla' app and the files for the appropriate build engine.

### Running the builds

#### Gradle

- from the command line, `cd` to the [vanilla application folder](./builds/gradle/vanilla/)

- to build and run the application in one go `./gradlew bootRun`

- to build the jar `./gradlew assemble`

- to run the jar `java -jar build/libs/vanilla-0.0.1-SNAPSHOT.jar`

- to compile to a native image `./gradlew nativeCompile`

- to run the executable `./build/native/nativeCompile/vanilla`

#### Maven

Make sure that `$JAVA_HOME` has been to point to the `GraalVM` installation

- from the command line, `cd` to the [vanilla application folder](./builds/maven/vanilla/)

- to build and run the application in one go `./mvnw spring-boot:run`

- to build the jar `./mvnw package`

- to run the jar `java -jar target/vanilla-0.0.1-SNAPSHOT.jar`

- to compile to a native image `./mvnw -Pnative native:compile`

- to run the executable `./target/vanilla`