Create an interface driven controller (BAEL-3095)

spring-5-mvc/src/main/java/com/baeldung/idc/Application.java

@@ -0,0 +1,24 @@
+package com.baeldung.idc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.PropertySource;
+
+@SpringBootApplication
+@ComponentScan(basePackages = "com.baeldung.idc")
+@PropertySource(value = { "classpath:/custom.properties" }, ignoreResourceNotFound = true)
+public class Application {
+
+    public static void main(String[] args) {
+        final SpringApplicationBuilder builder = new SpringApplicationBuilder(Application.class);
+        final Map<String, Object> map = new HashMap<>();
+        map.put("spring.config.name", "custom.properties");
+        builder.properties(map).run(args);
+
+    }
+
+}