MongoDB| Socket.io | Build a very simple chat app

Last time, we already built a chat app using socket.io and nodejs, but the chat app did not store the chat history, the messages completely gone after refresh. This time we will implement the mongodb to help us store these history.
In this tutorial, we will also talk about mongoose model and schema.

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source code :https://github.com/cyrus8050/yt-simple-socketio-chat-mongodb.git

This is part 2 of this chat application tutorial, to see the part 1
https://youtu.be/bWwFImvDD2Y

0:00 Introduction
0:35 Setup MongoDB
2:25 Install Mongoose
2:58 Connect to MongoDB
4:23 Create Model
5:49 Store the message when server receive messages at server side
7:51 Fetch all messages from the MongoDB when start
9:19 Append all the messages at client side

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