index.js
var http = require("http");
http.createServer(function(request, response) {
response.writeHead(200, {"Content-Type": "text/plain"});
response.write("Heroku world!");
response.end();
}).listen(process.env.PORT);
package.json
{
"name": "node-example",
"version": "1.0.0",
"description": "Hello world Heroku",
"scripts": {
"start": "node index.js"
},
"keywords": [
"example",
"heroku"
],
"author": "Johan",
"license": "MIT",
"engines": {
"node": "7.6.0"
}
}