A simple chat demo for socket.io

$ cd socket.io
$ npm install
$ cd examples/chat
$ npm install
$ npm start

And point your browser to https://localhost:3000. Optionally, specify a port by supplying the PORT env variable.

• Multiple users can join a chat room by each entering a unique username on website load.
• Users can type chat messages to the chat room.
• A notification is sent to all users when a user joins or leaves the chatroom.
• Can send to private person, implement with redis