diff --git a/examples/hello-world/index.js b/examples/hello-world/index.js
index 23bcda999e32..2800ea495ada 100644
--- a/examples/hello-world/index.js
+++ b/examples/hello-world/index.js
@@ -9,7 +9,17 @@ module.exports = application;
 
 if (require.main === module) {
   // Run the application
-  application.main().catch(err => {
+  const config = {
+    rest: {
+      port: +process.env.PORT || 3000,
+      host: process.env.HOST || 'localhost',
+      openApiSpec: {
+        // useful when used with OASGraph to locate your application
+        setServersFromRequest: true,
+      },
+    },
+  };
+  application.main(config).catch(err => {
     console.error('Cannot start the application.', err);
     process.exit(1);
   });
diff --git a/examples/soap-calculator/index.js b/examples/soap-calculator/index.js
index 12484ccad1c7..78018fcf4412 100644
--- a/examples/soap-calculator/index.js
+++ b/examples/soap-calculator/index.js
@@ -4,7 +4,17 @@ module.exports = application;
 
 if (require.main === module) {
   // Run the application
-  application.main().catch(err => {
+  const config = {
+    rest: {
+      port: +process.env.PORT || 3000,
+      host: process.env.HOST || 'localhost',
+      openApiSpec: {
+        // useful when used with OASGraph to locate your application
+        setServersFromRequest: true,
+      },
+    },
+  };
+  application.main(config).catch(err => {
     console.error('Cannot start the application.', err);
     process.exit(1);
   });
diff --git a/examples/todo-list/index.js b/examples/todo-list/index.js
index f60622546c19..d9b161f4c190 100644
--- a/examples/todo-list/index.js
+++ b/examples/todo-list/index.js
@@ -9,6 +9,16 @@ module.exports = application;
 
 if (require.main === module) {
   // Run the application
+  const config = {
+    rest: {
+      port: +process.env.PORT || 3000,
+      host: process.env.HOST || 'localhost',
+      openApiSpec: {
+        // useful when used with OASGraph to locate your application
+        setServersFromRequest: true,
+      },
+    },
+  };
   application.main().catch(err => {
     console.error('Cannot start the application.', err);
     process.exit(1);
diff --git a/examples/todo/index.js b/examples/todo/index.js
index 08ea81118b44..35bffe4aca7a 100644
--- a/examples/todo/index.js
+++ b/examples/todo/index.js
@@ -9,7 +9,17 @@ module.exports = application;
 
 if (require.main === module) {
   // Run the application
-  application.main().catch(err => {
+  const config = {
+    rest: {
+      port: +process.env.PORT || 3000,
+      host: process.env.HOST || 'localhost',
+      openApiSpec: {
+        // useful when used with OASGraph to locate your application
+        setServersFromRequest: true,
+      },
+    },
+  };
+  application.main(config).catch(err => {
     console.error('Cannot start the application.', err);
     process.exit(1);
   });