docker implementation

backend/src/modules/live-blog.service.ts

@@ -376,8 +376,19 @@ export class LiveBlogService implements OnModuleInit {
       blogId: liveBlogId,
     });
 
+    // Send periodic keep-alive messages to prevent timeout
+    const keepAliveInterval = setInterval(() => {
+      try {
+        response.write(`: keep-alive\n\n`);
+      } catch (error) {
+        // Client disconnected, stop sending keep-alive
+        clearInterval(keepAliveInterval);
+      }
+    }, 15000); // Send keep-alive every 15 seconds
+
     // Handle client disconnect
     response.on('close', () => {
+      clearInterval(keepAliveInterval);
       this.sseClients.delete(clientId);
       this.logger.log(
         `Client ${clientId} disconnected from live blog ${liveBlogId}`,