https://github.com/purefuncinc/spring-boot-3-practice

Spring Boot 3, Spring Framework 6, Java 17, Kotlin 1.7, GraalVM 22 🧧
https://github.com/purefuncinc/spring-boot-3-practice

Last synced: 3 months ago
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Spring Boot 3, Spring Framework 6, Java 17, Kotlin 1.7, GraalVM 22 🧧

• Host: GitHub
• URL: https://github.com/purefuncinc/spring-boot-3-practice
• Owner: PureFuncInc
• Created: 2023-01-20T11:12:49.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2023-01-29T16:09:31.000Z (over 3 years ago)
• Last Synced: 2025-04-10T16:12:54.607Z (about 1 year ago)
• Language: Kotlin
• Homepage:
• Size: 4.43 MB
• Stars: 14
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# spring-boot-3-practice 🦄

* [Spring Boot 3](https://spring.io/projects/spring-boot)

* [Spring Framework 6](https://spring.io/projects/spring-framework)

* [Java 17](https://docs.oracle.com/en/java/javase/17/)

* [Kotlin 1.7](https://kotlinlang.org/docs/whatsnew1720.html)

* [GraalVM 22](https://www.graalvm.org/release-notes/22_0/)

# SDKMAN! https://sdkman.io/

* 🧱 install Java 17, GraalVM 22

```bash

sdk list java

sdk install java $version

```

![](./images/sdkman1.png)

![](./images/sdkman2.png)

![](./images/sdkman3.png)

* ⚙️ configure

```bash

export GRAALVM_HOME=

export PATH=${GRAALVM_HOME}/bin:$PATH

```

# New Project 🎉

![](./images/newproject1.png)

![](./images/newproject2.png)

# Demo Java New Features ✨

* record

  * https://github.com/PureFuncInc/Spring-Boot-3-Practice/blob/main/src/main/java/net/purefunc/spring/boot3/practice/java/JMemberPo.java#L12-L19

* text block

  * https://github.com/PureFuncInc/Spring-Boot-3-Practice/blob/main/src/main/java/net/purefunc/spring/boot3/practice/java/JMemberDao.java#L12-L21

* switch expression

  * https://github.com/PureFuncInc/Spring-Boot-3-Practice/blob/main/src/main/java/net/purefunc/spring/boot3/practice/java/JMemberPo.java#L25-L38 

# Build & Run 🚀

* 🔨 build jar

```bash

./gradlew build

jar -jar libs/spring-boot-3-practice-0.0.1-SNAPSHOT.jar

```

* 🔮 build native

```bash

./gradlew nativeCompile

./spring-boot-3-practice

```

![](./images/jar-native.png)

* 🪞 build OCI image

```bash

./gradlew bootBuildImage

docker run -d -p 8080:8080 spring-boot-3-practice:0.0.1-SNAPSHOT

```

![](./images/oci-legacy.png)

![](./images/oci-legacy-run.png)

![](./images/oci-native.png)

![](./images/oci-native-run.png)