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How change data capture works in PostgreSQL: the WAL, logical decoding, replication slots and publications. Build a working CDC consumer in .NET with Npgsql and Aspire, and see when CDC beats the Outbox pattern.
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Your solution is full of interfaces and you still can't swap anything. The Dependency Inversion Principle isn't about having abstractions — it's about who owns them. Ports, adapters, and the compile-time test that settles the argument in .NET.
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How the Open/Closed Principle actually plays out when you own a NuGet package, why extension methods are .NET's cheapest OCP tool, and what C# 14 extension members in .NET 10 change for library authors.
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Why architecture tests matter more now that agents write code: enforce Clean Architecture layers and module isolation with NetArchTest, xUnit and .NET 10, and turn the rule into a gate an agent must pass.
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Build .NET integration tests that provision PostgreSQL with Testcontainers, configure WebApplicationFactory, apply EF Core migrations, and run unchanged on a workstation or GitHub Actions.
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How the NATS message broker works in .NET: subjects and wildcard subscriptions, queue groups for load balancing, how NATS compares to RabbitMQ and Kafka, and validating every incoming message in one line with MessageValidation.NatsNet.
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Native AOT can reduce startup time and memory usage for focused .NET services, but only when the application and its dependencies are compatible with ahead-of-time compilation.
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Socket exhaustion and stale DNS are the two classic HttpClient bugs. Learn the right lifetime strategy — long-lived clients with PooledConnectionLifetime, or IHttpClientFactory — and how to combine both.
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When sequential retries are too slow, hedging races requests in parallel to cut tail latency. Learn the Standard Hedging Handler and how to build your own resilience pipeline with AddResilienceHandler.
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Stop hand-rolling retry loops. Learn how the Standard Resilience Handler in Microsoft.Extensions.Http.Resilience gives your HttpClient production-grade retries, timeouts, and circuit breakers with one line of code.
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