m-cakir / chat-example

A simple chat demo using multiple Socket.IO servers

Chat Example

A simple chat demo using multiple Socket.IO servers

Features

• Multiple users can join by entering an username on website load
• Users can type chat messages

Built with

Redis Cluster

Traefik

Server

• Express
• Socket.IO
• Redis
• Joi
• Winston

Web

• React
• Socket.IO Client
• React Bootstrap

Environment Variables

Server

Variable	Default	Type	Desc	Example
DEBUG	---	string	node.js debugging utility	socket.io:server*
NODE_ENV	development	string	can be "production" or "development" or "test"	development
PORT	3001	number	server/listening port	3001
REDIS_HOSTS	---	json array as string	redis cluster host/port list	'[{"host":"localhost","port":6101}]'
REDIS_PASSWORD	---	string	redis cluster password	pwd
HOSTNAME	APP_DEFAULT	string	OS or Container hostname	MY_PC
CORS_ORIGIN	http://localhost:3000	string	web app url	http://localhost:3000

Web

Variable	Default	Type	Desc	Example
REACT_APP_SOCKET_ENDPOINT	---	string	socket server endpoint	http://localhost:3001

How to use

$ docker-compose up --scale socket-server=3 -d

It starts Redis cluster, Traefik for reverse-proxy, web app and 3 socket.io servers.

And point your browser to http://localhost:3000.

Screenshot