Go WebSocket Tutorial with the gorilla/websocket Package

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Hi Fellow Devs! In this tutorial, we are going to be looking at how we can use WebSockets within our own Go-based programs to do some cool real-time stuff.

By the end of this tutorial, we should have covered the following:

* What WebSockets are
* How we can build simple WebSocket Applications in Go

For the purpose of this tutorial, we’ll be working with the gorilla/websocket package as I’ve used it personally in a few production applications to great success.

[Tutorialedge]

A slight update to the code - Move the CheckOrigin check to the upgrader struct so that there isn't a data race:

var upgrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
CheckOrigin: func(r *http.Request) bool { return true },
}

[auctifer]

This is super useful! Thank you for the great and precise content!

[lioraviv]

youre a genius, solved me a problem that took me 7 days in 13 minutes

[eduardofernandezdiaz]

Simply amazing, this is Golang web sockets made simple

[RickLeVan]

Awesome video! Many links online about Hello World with websockets just didn't work. I didn't get it working until this awesome video which does exactly what it says. Cheers!

[serhat]

I liked your content, keep it up mate 👏

[mekinon]

Hello, thank you so much for this tutorial, can you please extend it to validate clients, authorization and some kind of identification for passing json between? Could be so nice.

[Oswee]

Didnt watched it right now, but currently am into this topic. Next video, please incorporate gRPC protocol buffers. Like.. receive nested JSON from WebSocket and Unmarshall into ProtoBuf and back - feed protobuf into websocket as JSON. :)

[fouad-hachour]

great video, I like it !. Please make more video about ws in more details, if you could please make another video about gobwas lib. Thank you

[fehoehc]

Hi, how did you configure your terminal? It is amazing! Is there something I could follow?

[larrystreehouse]

do we need to use mutex fort web socket as well ?

[VukotaDjLewu]

Can someone help me, how I can store and load websocket object from redis? Thank you.

[jeyraj]

Please do more videos for Go with mongodb.

[anthonyanonde]

am intrigue on your vscode config eg theme can you help me out?

[elderofzion]

thank you conor mcgregor! i didn't know you make programming tutorials

[eniqen]

Great video! What is the name of the theme do you use in vs code?

[vikrammali]

Video is great, but how no one see that he did not send message but he received message, or did i miss something to catch up ?

[xuoxodxuoux]

Hey, I tried to implement websockets into my existing go web app but when the client browser attempts to connect the server issues this error message: Endpoint Error: websocket: response does not implement http.Hijacker. A bit more about the web app ... I'm using scs (Session Manager) with all routes. However if I take out the scs, the client connects without error. So my issue seems to be with the scs SessionManager. Any ideas as to how I implement HiJack? I cannot find any solid demonstration.

[amcsi]

I'm getting a 1006 websocket connect error on the JS end :S

EDIT: I forgot to put /ws at the end of the connection URL in JS.

[chandrareddy]

I don't understand about live-server, and how both brosers at 11:53 related!! bit confusing!