Use the new exec function in Request and Seeker

services/request/src/server/index.ts

@@ -14,4 +14,4 @@ let app = new Application(appKey);
 /**
  * Start the application
  */
-app.exec();
+app.exec().then(process.exit);

services/seeker/src/index.ts

@@ -4,4 +4,4 @@ import Application from "./Application";
 let app = new Application();
 
 // Start the application
-app.exec();
+app.exec().then(process.exit);