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1276 articles
Build reliable webhook systems with HMAC-SHA256 signatures, idempotency keys, exponential backoff, dead-letter queues, and production testing patterns.
Socket.io doesn''t scale. Learn raw WebSocket patterns with ws, horizontal scaling via Redis pub/sub, and why Cloudflare Durable Objects might be your next architecture.
Choose the right real-time communication pattern. Compare WebSocket full-duplex with SSE unidirectional and long polling. Learn sticky sessions, load balancing, and when polling is fine.
How to add enterprise-grade authentication with WorkOS—SAML SSO, SCIM provisioning, and audit logging—without months of engineering.
Zero-downtime AI updates: shadow mode for new models, prompt versioning with rollback, A/B testing, canary deployments for RAG, embedding migration, and conversation context migration.