diff --git a/src/main/java/cz/brmlab/wekan/mailer/Application.java b/src/main/java/cz/brmlab/wekan/mailer/Application.java
new file mode 100644
index 0000000..d4505bc
--- /dev/null
+++ b/src/main/java/cz/brmlab/wekan/mailer/Application.java
@@ -0,0 +1,22 @@
+package cz.brmlab.wekan.mailer;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@SpringBootApplication
+@RestController
+public class Application {
+
+    @RequestMapping("/")
+    public String home() {
+        return "Hello Docker World";
+    }
+
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+        System.out.println("Hello Docker World");
+    }
+
+}