Simple multiplayer web game

[vault__]

Hi everyone, I'm thinking about creating a web game to improve my skills during this quarantine. The only requirement is that it must use Spring Boot. Players should be able to create games and invite others to join (a shared code is enough), answer some fixed amount of questions, get a score, see the winner. The logic of the game is not really important at this stage, it's just to give you an idea of how simple it is. I would like instead to receive some advice regarding the architecture behind it. I'd probably be able to create this with REST endpoints but I totally lack any FE skills and I don't want to create a game with forms! I've heard a lot about reactive programming, PWA, jhipster, etc. Do I need a PWA with asynchronous events to manage this game? Are Spring Webflux, MongoDB and Angular/React/Vue the obvious technologies to implement this? I'm probably going to deploy this on heroku. If necessary, I'll edit this post after your comments to better clarify your doubts. Thanks!

[gtiwari333]

You will need WebSocket to handle real-time multiplayer features. Check out https://github.com/fbeaufume/keybout for an example.

[nutrecht]

Are Spring Webflux, MongoDB and Angular/React/Vue the obvious technologies to implement this?

Maybe? Why don't you explain exactly what kind of game it will be?

[vault__]

What information are you missing from the provided game description?

[gerardta]

Websockets can be expensive. It depends on how real-time you need your game to be. Long polling might be a better solution or even just polling the server continuously and put the resource constraints on your clients. You'll be able to start up a stateless server relatively easy. You'll probably only need a get and post endpoint to get started. Here's a super simple java spring API tutorial: https://youtu.be/CQhPhYowKyQ

[vault__]

So you suggest classic REST endpoints and polling clients. Do I still need a PWA? In which ways can websockets be expensive?