feat: feat(be): add health endpoint

src/main/java/com/example/coreTest/GeneratedCode.java

@@ -0,0 +1,40 @@
+package com.example.coreTest.controller;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HealthController {
+
+    @GetMapping("/api/health")
+    public ResponseEntity<Object> health() {
+        return ResponseEntity.ok().body("{\"status\":\"UP\"}");
+    }
+}
+
+package com.example.coreTest;
+
+import com.example.coreTest.controller.HealthController;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
+@WebMvcTest(HealthController.class)
+public class HealthControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Test
+    public void testHealthEndpoint() throws Exception {
+        mockMvc.perform(get("/api/health"))
+                .andExpect(status().isOk())
+                .andExpect(content().json("{\"status\":\"UP\"}"));
+    }
+}