At most follow this tutorial: https://devcenter.heroku.com/articles/node-websockets
When the server-code is changes, then the node.js app should be restarted.
To achieve hot-code-replacement the node.js app should be run differently: by using the tool nodemon.
To install nodemon on server do
sudo npm install -g nodemon
It then should be used as following to start a node.js application named “server.js”
nodemon server.js
Heroku is the hosting, which is able to host node.js apps too!
The howto about deploying the app is here: https://devcenter.heroku.com/articles/getting-started-with-nodejs
Addons have to be explicetely enabled on Heroku. Possible addons are
How to do that is described here: https://devcenter.heroku.com/articles/node-websockets
MongoDB is a NoSQL DB. To use a free Plan from mongohq.com - create an account - add your data to the url
mongodb://<user>:<password>@troup.mongohq.com:10078/buzznodejs
- use the library mongoskin as stated here
npm install mongoskin
- Here is a short mongoskin syntax describtion: http://www.hacksparrow.com/mongoskin-tutorial-with-examples.html
// require mongoskin - the mongoDB library
var db = require('mongoskin').db('mongodb://<user>:<password>@troup.mongohq.com:10078/buzznodejs');
//insert some data
db.collection('bands').insert({ name: "guns n' roses", members: ['axl rose', 'slash', 'izzy stradlin', 'matt sorum', 'duff mckagan'], year: 1986 }, function (err, result) {
if (err) throw err;
if (result) console.log('added!');
});
// retrieve the collection named 'bands'
db.collection('bands').find().toArray(function (err, result) {
if (err) throw err;
console.log(result);
});
https://www.freecodecamp.org/news/npm-vs-npx-whats-the-difference/
Sometimes you might want to take a look at a specific package and try out some commands. But you cannot do that without installing the dependencies in your local node_modules folder.
That’s where npx comes in.
npx @pactflow/swagger-mock-validator@latest <path to oas> <path to pact file>