Requirements: Java 17, Maven, MySQL

1. Create a MySQL database named ecommerce (or update application.properties).
2. Update src/main/resources/application.properties with your DB credentials.
3. Build: mvn clean package
4. Run: java -jar target/ecommerce-0.0.1-SNAPSHOT.jar or run from your IDE.

API endpoints (base /api/products):

• GET /api/products
• GET /api/products/{id}
• POST /api/products
• PUT /api/products/{id}
• DELETE /api/products/{id}

Test: mvn test (contains one Mockito + JUnit test for ProductService)