The Future of Serverless Computing: Patterns & Best Practices

Serverless platforms can drastically simplify infrastructure management, but success requires clear boundaries and design patterns. In this article we cover event-driven designs, idempotency, cold-start mitigation, observability strategies, and cost control techniques illustrated with real-world patterns. Key recommendations: - Design for bounded functions and single responsibility to avoid complex coupling. - Use queues and durable storage for fan-out workloads. - Implement idempotent handlers and strong dead-letter handling. - Monitor invocation cost and set budgets per service. Case study: A SaaS provider migrated critical background processing to serverless and reduced operational alerts by 70% while cutting infra costs by 35%.

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