Dive into how Miro scales real-time collaboration with long-living TCP connections at its core. Learn how we built and deployed a custom a WebSocket manager in Kubernetes, leveraging connection rebalancing, draining, and graceful shutdown techniques, while maintaining enterprise level compliance. Discover the k8s operators that made it possible, the design decisions we nailed (and the ones we regretted), and how we tackled unforeseen challenges. This is your backstage pass to engineering the intelligent canvas!