Encountering issues accessing / Error within MEAN stack application

I recently completed the Heroku tutorial, which you can find here. I followed all the steps but did not deploy to the Heroku server and instead worked on my localhost. However, when I tried to access my application using localhost port 8080, I encountered an error stating "Cannot Get /". Here is a snippet of my server code:

var express = require("express");
var bodyParser = require("body-parser");
var mongodb = require("mongodb");
var ObjectID = mongodb.ObjectID;

// more code...

app.delete("/api/contacts/:id", function(req, res) {
  // deletion logic here...
});

Unfortunately, even after running 'ng serve', while the main page loads, there seems to be no connection with the database, resulting in just a static page. As a beginner in MEAN stack development, any help would be greatly appreciated.

Answer №1

It appears there may be a missing component in your server code setup. While you have set up the API portion to be accessed by your Angular application, it seems that your Angular app itself is not being served.

To remedy this, ensure that all GET requests are being listened for and that the only file being sent back is your index.html, which should contain your Angular Single Page Application structure. You can achieve this with a code snippet like the following:

app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname, 'index.html'));    
});

For more information, refer to the Express documentation: http://expressjs.com/fr/api.html#res.sendFile

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