websockets

Author: ak--47

cloudbuild.yaml

@@ -22,7 +22,8 @@ steps:
       - '--timeout=3600'
       - '--max-instances=10'
       - '--min-instances=0'
-      - '--concurrency=1'
+      - '--concurrency=10'
+      - '--session-affinity'
       - '--port=8080'
       - '--env-vars-file=.env.yaml'
 

server.js

@@ -52,12 +52,19 @@ function coerceTypes(obj) {
 	return coerced;
 }
 
-// Initialize Socket.IO server
+// Initialize Socket.IO server with Cloud Run optimizations
 io = new Server(httpServer, {
 	cors: {
 		origin: '*', // Adjust in production for security
 		methods: ['GET', 'POST']
-	}
+	},
+	// Cloud Run optimizations
+	transports: ['websocket', 'polling'], // Allow both but prefer WebSocket
+	allowEIO3: true, // Allow different Engine.IO versions
+	pingTimeout: 60000, // 60 seconds (Cloud Run timeout)
+	pingInterval: 25000, // 25 seconds
+	upgradeTimeout: 30000, // 30 seconds for upgrade
+	maxHttpBufferSize: 1e6 // 1MB max buffer
 });
 
 io.on('connection', socket => {

ui/app.js

@@ -564,6 +564,11 @@ form.addEventListener('submit', async e => {
 	// Connect to WebSocket (same server for Cloud Run) with user info
 	const socket = io({
 		reconnection: true,
+		reconnectionAttempts: 5,
+		reconnectionDelay: 1000,
+		timeout: 20000,
+		// Force WebSocket transport for Cloud Run
+		transports: ['websocket', 'polling'],
 		auth: {
 			user: user
 		}