refactor: avoid automatic execution of app.ts

Move the execution of configureApp to CLI file

Related to #2

src/app.ts

@@ -46,7 +46,7 @@ export const app = express();
 /**
  * Configure the backend
  */
-async function configureApp() {
+export async function configureApp() {
   // request loggers have to be the first middleware to be set in express
   app.use(morgan('dev'));
 
@@ -206,11 +206,3 @@ async function configureApp() {
 
   // TODO: implement a route to register plugins
 }
-
-configureApp()
-  .then(() => {
-    Logger.ok('Sucessfully configured express server');
-  })
-  .catch((err) => {
-  throw err;
-});

src/cli.ts

@@ -15,7 +15,7 @@
  */
 import {Logger} from '@openstapps/logger';
 import * as http from 'http';
-import {app} from './app';
+import {app, configureApp} from './app';
 
 /**
  * Get port from environment and store in Express.
@@ -94,3 +94,11 @@ function onListening() {
     : `port ${addr.port}`;
   Logger.ok(`Listening on ${bind}`);
 }
+
+configureApp()
+  .then(() => {
+    Logger.ok('Sucessfully configured express server');
+  })
+  .catch((err) => {
+    throw err;
+  });