BAEL-2552 - Add controller and unit test showing how to set timeouts

spring-5-webflux/src/main/java/com/baeldung/spring/serverconfig/TimeoutController.java

@@ -0,0 +1,23 @@
+package com.baeldung.spring.serverconfig;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import reactor.core.publisher.Mono;
+
+@RestController
+@RequestMapping("/timeout")
+public class TimeoutController {
+
+    @GetMapping("/{timeout}")
+    private Mono<String> timeout(@PathVariable int timeout) {
+        try {
+            Thread.sleep(timeout * 1000);
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+        return Mono.just("OK");
+    }
+}