BAEL-54445 reorganize docker modules

docker-modules/docker-compose/src/main/java/com/baeldung/docker/app/DockAppApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.docker.app;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DockAppApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DockAppApplication.class, args);
+    }
+
+}

docker-modules/docker-compose/src/main/java/com/baeldung/docker/app/endpoint/MyController.java

@@ -0,0 +1,13 @@
+package com.baeldung.docker.app.endpoint;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class MyController {
+
+    @GetMapping
+    public String version() {
+        return "1.7";
+    }
+}

docker-modules/docker-compose/src/main/resources/application.properties

@@ -0,0 +1 @@
+