test: 실습 2부 내용 반영

src/main/java/com/example/demo/common/controller/HealthCheckController.java

@@ -0,0 +1,18 @@
+package com.example.demo.common.controller;
+
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Tag(name = "헬스 체크")
+@RestController
+public class HealthCheckController {
+
+    @GetMapping("/health_check.html")
+    public ResponseEntity<Void> healthCheck() {
+        return ResponseEntity
+            .ok()
+            .build();
+    }
+}