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Explains controller actions, result types, status codes, thin controllers, and HTTP response generation.
Explains transient, scoped, and singleton lifetimes in ASP.NET Core APIs and production bugs caused by wrong lifetime choices.
Explains how App Service plans provide compute capacity, how scale-out affects app instances, and why APIs need stateless design.
Introduces managed heap cleanup, generational collection, object lifetime, and why allocation behavior affects .NET services.
Explains endpoint routing, route templates, HTTP method matching, endpoint metadata, and ambiguity problems.
Connects API query shape to index order, selectivity, execution plans, write cost, and safe production rollout.
Explains how App Service can resolve Key Vault references through managed identity and what to watch during rotation and environment setup.
Explains SQL joins for API response shapes with practical .NET data-access examples and production trade-offs.
Draws a short atomic database boundary around one invariant while moving network side effects into explicit, recoverable workflow states.
Explains EF Core query performance diagnostics with practical .NET data-access examples and production trade-offs.
Explains safe EF Core migrations with practical .NET data-access examples and production trade-offs.
Explains semantic versioning for .NET applications and how it communicates release impact.
Explains transient database errors, retry strategy, EF Core execution strategy, idempotency, timeouts, and avoiding retry storms.
Propagates request cancellation through async dependencies while keeping committed side effects and timeout policy explicit.
Covers App Service app settings, environment-specific configuration, restarts, slot settings, and avoiding hard-coded production values.
Explains DbContext lifetime and unit-of-work boundaries with practical .NET data-access examples and production trade-offs.
Explain how Task.WhenAll behaves when one or more tasks fail and how to inspect failures safely.
Covers using managed identity and Microsoft Entra authentication for Azure SQL access from a .NET API.
Covers allocation rate, collection frequency, latency symptoms, and safe production steps for GC-heavy services.
Explains health endpoints, readiness versus liveness, warm-up, dependency checks, and safe App Service health behavior.
Covers queue-backed work, idempotency, retries, visibility timeout, poison messages, progress tracking, and choosing Storage Queues or Service Bus.
Covers deployment logs, startup failures, runtime stack, app settings, missing files, Key Vault references, and post-deployment diagnosis.
Gives a practical incident flow for memory growth using metrics, traffic correlation, heap evidence, and safe mitigation.
Explains same-artifact promotion, environment-specific configuration, approvals, smoke testing, drift detection, and production traceability.