how to run / execute app deployed on heroku

Question

I am new to node.js and heroku. By following docs and some tutorials I have successfully deployed my app on heroku.

The problem I am facing is that I don't know how to run that deployed app on heroku. After reading a number of tutorials, its still not clear to me.

When I run the commands

$ git add .
$ git commit -am "make it better"
$ git push heroku master

from local command line, it executes the scripts. But when I click on the open app from the heroku account, it does not execute all of files.

I am running 1 web dynos and heroku shows that my web dyno executes following command

web node build/server.js

The server.js file contains following code

require('./routes/main.routes.js');

var http = require('http'); 
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end("this is a test page");
}).listen(process.env.PORT);

when I click on open app from heroku, it opens the app in the browser with message
this is a test page

It does not run the main.routes.js file.
But when I click on restart all Dynos, the main.routes.js file also gets executed. I want the app to execute the main.routes.js file when I click on open my app or refresh it in the browser window.

Is the restart all Dynos only way to execute script? or I have done something wrong?

Any help will be much appreciated.

Answer 1

You can try this replace the comment (//write the code here) and try requesting the url:

var http = require('http'); 
 http.createServer(function (req, res) {
   // write the code here if it needs to execute every time
   res.writeHead(200, {'Content-Type': 'text/plain'});
   res.end("this is a test page");
 }).listen(process.env.PORT);