How to pass the same artifact through dev, staging, and production using GitHub Environments: protection rules, environment-specific secrets, and a real approval gate before production.
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What does professional CI/CD actually mean for a .NET application? The fundamentals of a serious GitHub Actions pipeline: build, tests, promotable artifact, and the principle of "build once, deploy many."
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The TIOBE ranking for August 2026 brings a first: MATLAB drops out of the top 20 for the first time in over 10 years. Rust rises to 10th place, Go continues to fall, and Ruby makes a surprising comeback. What is happening with the software industry this summer?
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Kusto Query Language applied to a realistic incident, from alert to cause: the Application Insights tables, essential operators, correlation on operation_Id, and queries to keep on hand for the day you need them.
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Business metrics with System.Diagnostics.Metrics: Counter, Histogram, and ObservableGauge, dimensions with controlled cardinality, dashboards in Azure Workbooks, and alerts that catch incidents before users.
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Trace the id that traverses services: OpenTelemetry in ASP.NET Core and Azure Functions Isolated Worker, exporting to Application Insights, context propagation through Service Bus, and custom spans with ActivitySource.
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Serilog correctly configured for production: the Application Insights sink, enrichers for automatic context, levels per namespace, compact request logging, and the cost traps of excessive logging.
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The three pillars of observability and the differences between them: logs answer "what happened," metrics answer "how often and how bad," traces answer "where it went through." When to use each and how they complement each other.
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