PAPI-4: Changing used port to https port 443

app.ts

@@ -7,7 +7,7 @@ import {GeneralInfoRoutes} from './src/models/dhbw-service/generalInfo.routes.co
 
 const app: express.Application = express();
 const server: http.Server = http.createServer(app);
-const port: Number = 3000;
+const port: Number = 443;
 const routes: Array<CommonRoutesConfig> = [];
 
 // here we are adding middleware to parse all incoming requests as JSON