Hello world i konfiguracja połączenia z bazą

PC33-SklepSpring/src/main/java/sklep/controller/RootController.java

+package sklep.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+public class RootController {
+
+    @GetMapping({"/", "/hello"})
+    @ResponseBody
+    public String hello() {
+        return "Hello world";
+    }
+}

PC33-SklepSpring/src/main/resources/application.properties

 spring.application.name=PC33-SklepSpring
+
+spring.datasource.url=jdbc:postgresql://localhost/sklep
+spring.datasource.username=alx
+spring.datasource.password=abc123
+