Add healthcheck endpoint

src/main/java/org/isf/config/SecurityConfig.java

@@ -101,7 +101,8 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
 			.cors(cors -> cors.configurationSource(corsConfigurationSource()))
 			.csrf(csrf -> csrf.disable()) // Disable CSRF protection
 			.authorizeHttpRequests(auth -> auth
-				.requestMatchers("/", "/auth/login", "/auth/refresh-token").permitAll()
+				.requestMatchers("/", "/healthcheck").permitAll()
+				.requestMatchers("/auth/login", "/auth/refresh-token").permitAll()
 				.requestMatchers("/swagger-ui/**", "/v3/api-docs/**", "/v3/api-docs.yaml").permitAll()
 				// admissions
 				.requestMatchers(HttpMethod.POST, "/admissions/**").hasAuthority("admissions.create")

src/main/java/org/isf/menu/rest/RootController.java

@@ -25,21 +25,28 @@
 import java.util.Map;
 
 import org.springframework.http.MediaType;
-import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
-@RequestMapping("/")
+@RequestMapping(produces = MediaType.APPLICATION_JSON_VALUE)
 public class RootController {
 
-	@GetMapping(produces = MediaType.APPLICATION_JSON_VALUE)
-	public ResponseEntity<Map<String, String>> root() {
+	@GetMapping(value = "/")
+	public Map<String, String> root() {
 		Map<String, String> response = new LinkedHashMap<>();
 		response.put("service", "Open Hospital API");
 		response.put("version", "0.1.0");
 		response.put("documentation", "/swagger-ui/index.html");
-		return ResponseEntity.ok(response);
+		response.put("healthcheck", "/healthcheck");
+		return response;
+	}
+
+	@GetMapping(value = "/healthcheck")
+	public Map<String, String> healthcheck() {
+		Map<String, String> response = new LinkedHashMap<>();
+		response.put("status", "UP");
+		return response;
 	}
 }