Move api artifact to own module

api/build.gradle.kts

@@ -0,0 +1,16 @@
+plugins {
+}
+
+group = "org.springframework.samples"
+
+val apiArtifact by configurations.creating {
+    isCanBeResolved = false
+}
+
+repositories {
+    mavenCentral()
+}
+
+artifacts {
+    add(apiArtifact.name, file("${projectDir}/openapi.yml"))
+}

backend-model/build.gradle.kts

@@ -7,6 +7,10 @@ plugins {
 
 group = "org.springframework.samples"
 
+val apiArtifact by configurations.creating {
+    isCanBeConsumed = false
+}
+
 java {
     toolchain {
         languageVersion = JavaLanguageVersion.of(21)
@@ -24,6 +28,7 @@ repositories {
 }
 
 dependencies {
+    apiArtifact(project(":api", "apiArtifact"))
     implementation("org.springframework.boot:spring-boot-starter-web")
     implementation("org.springframework.boot:spring-boot-starter-validation")
     implementation("org.springdoc:springdoc-openapi-starter-webmvc-ui:2.6.0")
@@ -38,7 +43,7 @@ java.sourceSets["main"].java {
 }
 
 openApiGenerate {
-    inputSpec.set("${projectDir}/src/main/resources/openapi.yml")
+    inputSpec.set(apiArtifact.singleFile.absolutePath)
     outputDir.set(layout.buildDirectory.dir("generated/sources/openapi").map { it.asFile.absolutePath })
     generatorName.set("spring")
     library.set("spring-boot")

settings.gradle.kts

@@ -5,4 +5,4 @@
  * For more detailed information on multi-project builds, please refer to https://docs.gradle.org/8.7/userguide/multi_project_builds.html in the Gradle documentation.
  */
 rootProject.name = "petclinic"
-include("backend", "backend-model")
+include("backend", "backend-model", "api")