ProblemDetails Error Handling: RFC 7807 in ASP.NET Core
RFC 7807 ProblemDetails for API errors: IExceptionHandler setup, custom error mapping, validation responses, and sensitive data handling.
Insights
Long-form engineering research, field notes, and technical deep dives.
Distributed Caching with Redis: Patterns That Scale
Redis caching patterns for ASP.NET Core: IDistributedCache configuration, cache invalidation strategies, TTL decisions, and connection resilience.
Database Transactions & Concurrency: EF Core Production Patterns
Transaction isolation levels, optimistic locking with RowVersion, DbUpdateConcurrencyException handling, and deadlock prevention in EF Core.
Concurrency Anti-Patterns: The Race Conditions That Ship
Race conditions, deadlocks, and thread-safety bugs that pass code review: shared state mutations, fire-and-forget hazards, and lock misuse.
gRPC vs REST: A Decision Framework for .NET APIs
Performance comparison, streaming patterns, browser support, and decision criteria for choosing between gRPC and REST in ASP.NET Core applications.
Health Checks & Graceful Shutdown: Production-Ready ASP.NET Core
Readiness vs liveness probes, custom health checks, graceful shutdown with connection draining, and Kubernetes probe configuration.
Resilience Anti-Patterns: The Missing Retries That Cause Outages
The 6 resilience mistakes that turn transient failures into outages: missing retries, retry storms, broken circuit breakers, no timeouts, and missing fallbacks.
Resilience Patterns with Polly: Circuit Breakers, Retries, and Timeouts
Polly patterns for production: when to retry, circuit breaker configuration, timeout strategies, and combining policies for fault-tolerant ASP.NET Core applications.
Testing Anti-Patterns: The Flaky Tests That Cry Wolf
The 6 testing mistakes that erode confidence: flaky tests, missing integration coverage, poor isolation, test pollution, brittle assertions, and slow test suites.
Testing Strategies: xUnit vs NUnit vs MSTest Decision Framework
Framework selection criteria, integration testing with WebApplicationFactory, test isolation patterns, and async testing strategies for .NET applications.