Golang angularjs tutorial part 2 websockets

golang and angularjs tutorial: part 2 - websockets (long & detailed)

this tutorial builds upon the foundational knowledge established in part 1 (setting up the environment, basic api calls). we'll dive into implementing real-time communication between a go server and an angularjs client using websockets. this will enable features like live updates, chat applications, and collaborative editing.

**prerequisites:**

* **completed part 1 (basic api setup):** ensure you have a basic go server and angularjs client communicating via http requests. you should be familiar with routing in go using `net/http` or a framework like `mux`, and basic angularjs concepts like controllers, services, and two-way data binding.
* **go installation:** go 1.16 or later is recommended.
* **familiarity with websockets:** a basic understanding of how websockets differ from http is helpful. websockets provide persistent, full-duplex communication channels over a single tcp connection.

**goals:**

* establish a websocket connection between the go server and the angularjs client.
* implement message sending from the client to the server and vice versa.
* display real-time updates on the client-side.
* handle websocket connection management (opening, closing, and errors).

**outline:**

1. **server-side (go): implementing the websocket handler**
* using the `gorilla/websocket` library.
* handling websocket connections.
* reading and writing messages.
* broadcasting messages to connected clients.
* handling client disconnections.
2. **client-side (angularjs): connecting and communicating with the websocket**
* creating a websocket service.
* establishing the websocket connection.
* sending messages to the server.
* receiving and processing messages from the server.
* displaying real-time updates in the ui.
* handling connection errors and ...

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Golang
AngularJS
tutorial
websockets
real-time communication
backend development
frontend framework
web application
API integration
asynchronous programming
event-driven architecture
client-server model
live data updates
WebSocket protocol
Golang WebSocket library