Build a Chat App With Socket.IO and RethinkDB

In this article, you will learn how to create a simple chat app with Socket.io and persist the messages in RethinkDB. To show the usefulness of a reactive database, we will also add a simple bot that reacts when you address it.

A lot of tutorials can be found that teach you how to build a chat app with Socket.io. However, have you ever wondered how to best persist those chat messages?

Enter RethinkDB, a realtime schema-less database. You can store and handle documents easily, just like in MongoDB, but it has reactivity built into it. That means you can subscribe to queries and get notified when data changes, making it the perfect choice when it comes to storing chat messages.

In this article, you will learn how to create a simple chat app with Socket.io and persist the messages in RethinkDB. To show the usefulness of a reactive database, we will also add a simple bot that reacts when you address it.

nodejs rethinkdb socketio

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Created a Realtime Chat Application Using NodeJs and SocketIO

The main goal of this blog is to explain the “Architecture of Nodejs” and to know how the Nodejs works behind the scenes. Generally, most of the server-side languages, like PHP, ASP.NET, Ruby, and including Nodejs follows multi-threaded architecture. That means for each client-side request initiates a new thread or even a new process.

In this tutorial, you will learn how to install Node onto Ubuntu 19.04 Disco Dingo. We will cover installation from the default repositories and, for those wanting more recent releases, how to install from the NodeSource repositories.

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