fix: Puppeteer shm crash - add --disable-dev-shm-usage and /dev/shm volume

agents/k8s/whatsapp-gateway-deployment.yaml

@@ -29,27 +29,36 @@ spec:
       containers:
         - name: whatsapp-gateway
           image: node:18-alpine
-          # Install dependencies needed by Puppeteer inside Alpine
-          # whatsapp-web.js requires Chromium
           command:
             - "sh"
             - "-c"
-            - "apk add --no-cache chromium nss freetype harfbuzz ca-certificates ttf-freefont && cd /app && npm install && PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser node server.js"
+            - "apk add --no-cache chromium nss freetype harfbuzz ca-certificates ttf-freefont && cd /app && npm install && node server.js"
+          env:
+            - name: PUPPETEER_SKIP_CHROMIUM_DOWNLOAD
+              value: "true"
+            - name: PUPPETEER_EXECUTABLE_PATH
+              value: "/usr/bin/chromium-browser"
           volumeMounts:
             - name: app-code
               mountPath: /app
+            - name: dshm
+              mountPath: /dev/shm
           ports:
             - containerPort: 5001
           resources:
             requests:
               cpu: 300m
-              memory: 512Mi
+              memory: 768Mi
             limits:
-              cpu: "1.5"
+              cpu: "2"
-              memory: 1.5Gi
+              memory: 2Gi
       volumes:
         - name: app-code
           emptyDir: {}
+        - name: dshm
+          emptyDir:
+            medium: Memory
+            sizeLimit: 1Gi
 ---
 apiVersion: v1
 kind: Service

whatsapp-gateway/server.js

@@ -14,7 +14,20 @@ const client = new Client({
     }),
     puppeteer: {
         headless: true,
-        args: ['--no-sandbox', '--disable-setuid-sandbox']
+        executablePath: process.env.PUPPETEER_EXECUTABLE_PATH || '/usr/bin/chromium-browser',
+        args: [
+            '--no-sandbox',
+            '--disable-setuid-sandbox',
+            '--disable-dev-shm-usage',
+            '--disable-accelerated-2d-canvas',
+            '--disable-gpu',
+            '--no-first-run',
+            '--no-zygote',
+            '--single-process',
+            '--disable-extensions',
+            '--disable-background-networking',
+            '--disable-default-apps'
+        ]
     }
 });
 
@@ -27,6 +40,16 @@ client.on('qr', (qr) => {
     console.log('==================================================================\n');
     qrcode.generate(qr, { small: true });
     console.log('\n==================================================================');
+    console.log('[WhatsApp Bot] QR code generated. Waiting for scan...');
+});
+
+// Log loading progress
+client.on('loading_screen', (percent, message) => {
+    console.log(`[WhatsApp Bot] Loading: ${percent}% - ${message}`);
+});
+
+client.on('authenticated', () => {
+    console.log('[WhatsApp Bot] Authenticated successfully!');
 });
 
 // Event: Successfully logged in & authenticated