Custom Spring Boot Initializr illustrating the openapi-generator-maven-plugin configuration to provide a Spring MVC REST API from an OpenAPI 3 Specification and test it with Swagger UI.

The following items should be installed in your system:

• Java 17+
• Maven 3.6+ (optional if you are using Maven Wrapper)
• Your favorite IDE supporting Spring Initializr
  • IntelliJ IDEA
  • Eclipse
  • VSCode
  • Spring Tools Suite

git clone https://github.com/arey/javaetmoi-initializr.git
cd javaetmoi-initializr
./mvnw package
java -jar target/javaetmoi-initializr-1.0.0-SNAPSHOT.jar 

• Start IntelliJ IDEA
• Open the menu File -> New -> Project
• Select Spring Initializr
• Change the server URL from https://start.spring.io to http://localhost:9090
• Follow the wizard project creation
  • Select the Web and OpenAPI dependencies
• Open the new project as Maven project
• Generate Sources and Update Folders for All Project in the Maven view
• Start the DemoApplication main class
• In your browser, open the URL http://localhost:8080
• Play with the Swagger UI