Finishing up Gradle multi-project setup

README.md

@@ -16,7 +16,7 @@ See below details on how to start each of them.
 This project uses [Maven](https://maven.apache.org/what-is-maven.html)
 as build tool.
 
-In order to build it, just do the well-known:
+In order to build it, just run the well-known Maven command:
 
 ```
 mvn clean install
@@ -28,6 +28,12 @@ To build without executing automated tests:
 mvn clean install -DskipTests
 ```
 
+Alternatively, Gradle can also be used:
+
+```
+gradle clean build
+```
+
 Java 21 is used for this project.
 
 ## Starting Spring Boot REST Application
@@ -39,6 +45,12 @@ in the project's root directory:
 mvn -pl restapp spring-boot:run
 ```
 
+Alternatively, the following Gradle command can also be used:
+
+```
+gradle :restapp:bootRun
+```
+
 The following REST operations, as defined in the OpenAPI specification,
 will be exposed on HTTP `localhost:9090`:
 
@@ -54,6 +66,12 @@ in the project's root directory:
 mvn -pl webapp spring-boot:run
 ```
 
+Alternatively, the following Gradle command can also be used:
+
+```
+gradle :webapp:bootRun
+```
+
 Open the browser and go to the following address:
 
 ```

openapi-spec/build.gradle

@@ -14,10 +14,9 @@ buildscript {
 
 plugins {
     id 'buildlogic.java-conventions'
+    id 'org.openapi.generator' version '7.12.0'
 }
 
-apply plugin: 'org.openapi.generator'
-
 dependencies {
     api libs.com.google.code.findbugs.jsr305
     api libs.com.google.code.gson.gson

restapp/build.gradle

@@ -4,10 +4,13 @@
 
 plugins {
     id 'buildlogic.java-conventions'
+    id 'org.springframework.boot'
+    id 'io.spring.dependency-management'
+    id 'java'
 }
 
 dependencies {
-    api project(':openapi-spec')
+    implementation project(':openapi-spec')
     api libs.com.google.zxing.core
     api libs.com.google.zxing.javase
     api libs.org.springframework.boot.spring.boot.starter
@@ -16,3 +19,7 @@ dependencies {
 }
 
 description = 'REST layer'
+
+springBoot {
+    mainClass = 'edu.training.qrcodeapp.rest.QRCodeGeneratorRestApp'
+}

settings.gradle

@@ -2,6 +2,13 @@
  * This file was generated by the Gradle 'init' task.
  */
 
+pluginManagement {
+    plugins {
+        id 'org.springframework.boot' version '3.4.4'
+        id 'io.spring.dependency-management' version '1.1.7'
+    }
+}
+
 rootProject.name = 'qrcodeapp'
 include(':openapi-spec')
 include(':restapp')

webapp/build.gradle

@@ -4,10 +4,13 @@
 
 plugins {
     id 'buildlogic.java-conventions'
+    id 'org.springframework.boot'
+    id 'io.spring.dependency-management'
+    id 'java'
 }
 
 dependencies {
-    api project(':openapi-spec')
+    implementation project(':openapi-spec')
     api libs.org.springframework.boot.spring.boot.starter.validation
     api libs.org.springframework.boot.spring.boot.starter.web
     api libs.org.springframework.boot.spring.boot.starter.thymeleaf
@@ -19,3 +22,7 @@ dependencies {
 }
 
 description = 'Web Application'
+
+springBoot {
+    mainClass = 'edu.training.qrcodeapp.web.QRCodeGeneratorWebApp'
+}