chore : add actuator & robot.txt

Author: Rajat069

pom.xml

@@ -90,6 +90,11 @@
             <artifactId>spring-boot-starter-cache</artifactId>
          </dependency>
 
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.xerial</groupId>
             <artifactId>sqlite-jdbc</artifactId>

src/main/java/com/rajat_singh/leetcode_api/controller/ApiOverviewController.java

@@ -90,4 +90,18 @@ public ResponseEntity<Map<String, Object>> getApiOverview() {
 
         return ResponseEntity.ok(overview);
     }
+
+    @GetMapping(path = "/robots.txt", produces = "text/plain")
+    public ResponseEntity<String> robotsTxt() {
+        String content = """
+        User-agent: *
+        Disallow: /
+        """;
+        return ResponseEntity.ok(content);
+    }
+
+    @GetMapping(path = "", produces = "application/json")
+    public ResponseEntity<Map<String, Object>> getApiOverviewNoSlash() {
+        return getApiOverview();
+    }
 }

src/main/resources/application.yml

@@ -39,6 +39,19 @@ app:
   api:
     secret: ""
 
+management:
+  endpoints:
+    web:
+      exposure:
+        include: health,info,metrics,prometheus
+  endpoint:
+    health:
+      # Show detailed health status, including cache and DB checks.
+      show-details: always
+    caches:
+      enabled: true
+
+
 bucket4j:
   cache-name: "default"
   enabled: true