Spring Boot Kotlin example

.github/workflows/release.yml

@@ -29,6 +29,7 @@ jobs:
             java-hello-world-maven-quarkus.zip
             java-hello-world-maven-spring-boot.zip
             kotlin-hello-world-gradle.zip
+            kotlin-hello-world-gradle-spring-boot.zip
             typescript-hello-world.zip
             typescript-hello-world-lambda-cdk.zip
             typescript-bun-hello-world.zip

.tools/prepare_release_zip.sh

@@ -21,6 +21,7 @@ create_release_zip templates/java-maven java-hello-world-maven
 create_release_zip templates/java-maven-spring-boot java-hello-world-maven-spring-boot
 create_release_zip templates/java-maven-quarkus java-hello-world-maven-quarkus
 create_release_zip templates/kotlin-gradle kotlin-hello-world-gradle
+create_release_zip templates/kotlin-gradle-spring-boot kotlin-hello-world-gradle-spring-boot
 create_release_zip templates/typescript typescript-hello-world
 create_release_zip templates/bun typescript-bun-hello-world
 create_release_zip templates/cloudflare-worker typescript-cloudflare-worker-hello-world

.tools/run_jvm_tests.sh

@@ -11,6 +11,7 @@ pushd $PROJECT_ROOT/templates/java-maven-quarkus && mvn verify && popd
 pushd $PROJECT_ROOT/templates/java-maven-spring-boot && mvn verify && popd
 pushd $PROJECT_ROOT/templates/kotlin-gradle && ./gradlew --console=plain check && popd
 pushd $PROJECT_ROOT/templates/kotlin-gradle-lambda-cdk/lambda && ./gradlew --console=plain check && popd
+pushd $PROJECT_ROOT/templates/kotlin-gradle-spring-boot && ./gradlew --console=plain check && popd
 
 pushd $PROJECT_ROOT/basics/basics-java && ./gradlew --console=plain check && popd
 pushd $PROJECT_ROOT/basics/basics-kotlin && ./gradlew --console=plain check && popd

.tools/update_jvm_examples.sh

@@ -18,6 +18,7 @@ search_and_replace_version_maven $PROJECT_ROOT/templates/java-maven-quarkus
 search_and_replace_version_maven $PROJECT_ROOT/templates/java-maven-spring-boot
 search_and_replace_version_gradle $PROJECT_ROOT/templates/kotlin-gradle
 search_and_replace_version_gradle $PROJECT_ROOT/templates/kotlin-gradle-lambda-cdk/lambda
+search_and_replace_version_gradle $PROJECT_ROOT/templates/kotlin-gradle-spring-boot
 
 search_and_replace_version_gradle $PROJECT_ROOT/basics/basics-java
 search_and_replace_version_gradle $PROJECT_ROOT/basics/basics-kotlin

templates/kotlin-gradle-spring-boot/.gitattributes

@@ -0,0 +1,3 @@
+/gradlew text eol=lf
+*.bat text eol=crlf
+*.jar binary

templates/kotlin-gradle-spring-boot/.gitignore

@@ -0,0 +1,40 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Kotlin ###
+.kotlin

templates/kotlin-gradle-spring-boot/README.md

@@ -0,0 +1,13 @@
+# Hello world - Spring Boot example
+
+Sample project configuration of a Restate service using the Kotlin SDK and Spring Boot. 
+
+Have a look at the [Kotlin Quickstart guide](https://docs.restate.dev/get_started/quickstart?sdk=kotlin) for more information on how to use this project.
+
+## Starting the service
+
+To start the service, simply run:
+
+```shell
+$ ./gradlew bootRun
+```

templates/kotlin-gradle-spring-boot/build.gradle.kts

@@ -0,0 +1,51 @@
+plugins {
+	kotlin("jvm") version "2.0.0"
+	kotlin("plugin.spring") version "2.0.0"
+	kotlin("plugin.serialization") version "2.0.0"
+	id("com.google.devtools.ksp") version "2.0.0-1.0.21"
+
+	id("org.springframework.boot") version "3.4.0"
+	id("io.spring.dependency-management") version "1.1.6"
+}
+
+group = "com.example"
+version = "0.0.1-SNAPSHOT"
+
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(17)
+	}
+}
+
+repositories {
+	mavenLocal()
+	mavenCentral()
+}
+
+val restateVersion = "1.3.0-SNAPSHOT"
+
+dependencies {
+	// Annotation processor
+	ksp("dev.restate:sdk-api-kotlin-gen:$restateVersion")
+
+	implementation("org.springframework.boot:spring-boot-starter")
+	implementation("org.springframework.boot:spring-boot-starter-web")
+	implementation("dev.restate:sdk-spring-boot-kotlin-starter:$restateVersion")
+	implementation("org.jetbrains.kotlin:kotlin-reflect")
+
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+	testImplementation("dev.restate:sdk-testing:$restateVersion")
+	// This is needed for tests using coroutines
+	implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.9.0")
+	testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+}
+
+kotlin {
+	compilerOptions {
+		freeCompilerArgs.addAll("-Xjsr305=strict")
+	}
+}
+
+tasks.withType<Test> {
+	useJUnitPlatform()
+}

templates/kotlin-gradle-spring-boot/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists