Bun Game Server

Bun-native WebSocket relay server — same protocol as the Node.js version but 5-8x faster. Protocol-agnostic relay with Bun built-in pub/sub for room broadcasting.

Game Server

websocket

multiplayer

realtime

gameserver

msgpack

bun

bun-ws-gameserver

https://github.com/mavisakalyan/bun-ws-gameserver

Ready to deploy

Docker image

ghcr.io/mavisakalyan/bun-ws-gameserver:latest

Source

https://github.com/mavisakalyan/bun-ws-gameserver

Resources

0.5

CPU

512Mi

RAM

1Gi

Disk

Exposed ports

8080 → 80 (public)

Environment variables

PORTrequired

Server listen port

ALLOWED_ORIGINS

Comma-separated allowed origins for WebSocket connections

KEEPALIVE_MS

WebSocket keepalive ping interval in milliseconds

MAX_MESSAGES_PER_SECOND

Per-client rate limit (sliding window)

MAX_PLAYERS_PER_ROOM

Maximum players per room