Refactor app.js to use the "basedir" constant for serving static files

src/app.js

@@ -4,6 +4,7 @@ var path = require('path');
 var cookieParser = require('cookie-parser');
 var logger = require('morgan');
 const { engine } = require('express-handlebars');
+const { basedir } = require('./config/constants');
 
 var indexRouter = require('./routes/index');
 const consoleSubscriber = require('./subscribers/consoleSubscriber');
@@ -23,7 +24,7 @@ app.use(logger('dev'));
 app.use(express.json());
 app.use(express.urlencoded({ extended: false }));
 app.use(cookieParser());
-app.use(express.static(path.join(__dirname, 'public')));
+app.use(express.static(path.join(basedir, 'public')));
 
 app.use('/', indexRouter);