Technology I use here are: node.js, express, socket.io, mongodb, jasmine I learn this course from LinkedIn by Alex Zanfir. Title is Learning Node.js he used a little old mongodb and mongoose version. But I renew, so you won't get any warning message of 'deprecated' that make you stress later. At last chapter (05-server.js), it will create chat apps using express and socket.io and mongodb.
Intro Node.js
Why use Node.js
A little information about synchronous and asynchronous
Creating module and use it, and use third party module
Read / Write file using fs module depedency
Explore about Node.js Framework
Express and Socket.io for chatting apps
Save chat history to mongoDB
Refactoring Async Code (mine already refactor using Async Await, try catch Error), you will dead will callback hell and Promise.then.then.catch without Async Await
Simple Testing using Jasmine and async test