So in this chapter, we will to learn how to create chat app with Gorilla web socket, u should to download library with go get -u github.com/gorilla/websocket. So let`s do it.

BACKEND

Create file main.go, we will to create Socket Server first.

Next create 3 struct like this.

Next, create function main() its contents display template view index.html.

Next, create function handleIO()

Last, create function ejectConnection() & broadcastMessage().

FRONTEND

Create file index.html and follow this code

Next, we also to add style css.

And then last add also javascript.

TESTING

Full Source Code in here