Azure Durable Functions extends Azure Functions with stateful orchestration capabilities. Unlike Step Functions (JSON-based ASL), Durable Functions uses code—C#, JavaScript, Python, or PowerShell—to define workflows. This code-first approach enables IDE support, unit testing, and complex control flow. This comprehensive guide covers the core patterns: Function Chaining, Fan-Out/Fan-In, Human Interaction, and the Actor Pattern with Durable […]
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AWS Step Functions: Complete Workflow Orchestration Guide
AWS Step Functions provides serverless workflow orchestration, enabling you to coordinate Lambda functions, ECS tasks, API calls, and human approvals in a visual, maintainable way. Unlike orchestrating via code (calling Lambda from Lambda), Step Functions handles retries, error handling, and state management durably. This guide covers Standard vs Express workflows, advanced patterns like Map and […]
Read more →AWS Lambda SnapStart: Eliminating Java Cold Starts
Java on AWS Lambda has always had an Achilles heel: cold starts. A typical Spring Boot application can take 5-10 seconds to cold start on Lambda—unacceptable for synchronous APIs. AWS Lambda SnapStart, announced at re:Invent 2022 and now generally available, fundamentally solves this problem by taking a snapshot of the initialized JVM and restoring it […]
Read more →Azure API Management: Self-Hosted Gateway
The Self-Hosted Gateway runs APIM policies on your own infrastructure (Kubernetes, Docker). Use for hybrid scenarios or edge deployments. Policies (rate limiting, JWT validation) execute locally with sub-millisecond latency.
Read more →AWS API Gateway: Choosing REST, HTTP, or WebSocket APIs
AWS offers three distinct API Gateway types, and choosing incorrectly leads to either unnecessary costs, missing features, or architectural dead ends. After building dozens of production APIs, this guide provides a decision framework based on real requirements, performance benchmarks, and cost analysis. We will deep-dive into when REST APIs justify their premium, when HTTP APIs […]
Read more →Azure Service Bus Premium: Complete Enterprise Messaging Guide
Azure Service Bus Premium tier provides enterprise-grade messaging with dedicated resources, large message support (up to 100MB), and VNET integration. Unlike the Standard tier (shared multi-tenant), Premium guarantees predictable performance for mission-critical workloads. This guide covers when to choose Premium, advanced features like Message Sessions and Duplicate Detection, and patterns for high-throughput financial transaction processing. […]
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