Heroku CANNOT /GET

Question

I am trying to deploy my Node.js Api to Heroku, but after I deploy it, I get Cannot GET / on the APPNAME.herokuapp.com

Here is my app.js file.

var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var mongoose = require('mongoose');

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended:true}));
app.use(express.static(__dirname + '/public'));


app.use('/api', require('./routes/api'));

var server = app.listen(process.env.PORT || 3000, function() {
    var port = server.address().port;
    console.log("Hello World");
});

This works locally when I use port 3000, but I feel like the issue may be pertained to the ports not being configured for production.

Does anybody know what i'm doing wrong? Any help would be greatly appreciated!

What is the value of process.env.PORT? Have you tried APPNAME.herokuapp.com:3000? — Ivan Vasiljevic, Nov 16 '16 at 09:17
herokuapp.com:3000 doesn't work! What should I set instead of process.env.PORT? — Varun Vu, Nov 16 '16 at 09:20
You don't seem to have setup route for `/` . All the routes you have starts with `/api` so try *appname.heroku.com/api* — Molda, Nov 16 '16 at 09:41
The message `Cannot GET /` is actually message from express so your app works there's just no route defined for `/` — Molda, Nov 16 '16 at 09:42
Or if process.env.PORT is not defined, try appname.heroku.com:3000/api — Ivan Vasiljevic, Nov 16 '16 at 12:28
So if I added `app.get('/', function (req, res) { res.send('test'); });` it should change? — Varun Vu, Nov 16 '16 at 18:45
I tried `appname.heroku.com:3000/api`, but it says `appname.herokuapp.com refused to connect.` — Varun Vu, Nov 16 '16 at 18:46
Does this answer your question? [Heroku Cannot GET /](https://stackoverflow.com/questions/24566635/heroku-cannot-get) — Roberto Rodriguez, Dec 05 '19 at 21:43

score 1 · Answer 1 · edited Sep 19 '20 at 11:05

You need to have an index route app.get("/"). Heroku will look for an index route to display and once it cannot find it, it will display the error message Cannot Get /. Meaning it cannot get the index route "/". In your code, you seem to have app.use('/api', require('./routes/api'));. I am assuming you intend this to be your index page, but this isn't how it works. The index page is only the backstroke "/".

score 0 · Answer 2 · answered Oct 01 '19 at 00:50

0

Adding these two lines in server.js worked for me:

var distDir = __dirname + "/dist/"; app.use(express.static(distDir));

My dist structure is as follows:

answered Oct 01 '19 at 00:50

QauseenMZ

1,081
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score 0 · Answer 3 · edited Oct 19 '21 at 02:56

0

Heroku needs to look for an index route when loading your app. This is what works for me and I think it will for you too.

app.get('/', (req, res, next) => {

    res.status(200).json({
        status: 'success',
        data: {
            name: 'name of your app',
            version: '0.1.0'
        }
    });

});

edited Oct 19 '21 at 02:56

Shaido

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answered Oct 19 '21 at 01:50

Gabriel Obafisile

31
4

Heroku CANNOT /GET

3 Answers3