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Tutorials

Written walkthroughs of the projects I build on YouTube. Each tutorial pairs a video with a step-by-step article covering architecture decisions, code, and lessons learned — from Azure AI integration to .NET backends and Next.js frontends.

Azure OpenAI observability in .NET — token usage, cost and latency with OpenTelemetry and Application Insights12:57

Monitor Azure OpenAI in .NET — Token Usage, Cost & Latency with OpenTelemetry and Application Insights

Every chat completion costs money and takes time — and by default neither shows up anywhere. This walkthrough adds real observability to an Azure OpenAI integration in .NET: distributed traces, token usage as queryable metrics, and an estimated cost per request, all in Application Insights.

azure-openaiopentelemetryapplication-insightsdotnetterraformobservability
Azure OpenAI without API keys — Managed Identity with DefaultAzureCredential in .NET7:20

Azure OpenAI Without API Keys in .NET — Managed Identity on Microsoft Foundry

Calling Azure OpenAI with an API key in your config works — until the security review. This is the pattern enterprises actually accept: keyless authentication with Managed Identity and DefaultAzureCredential in .NET. Same code locally and in Azure, no key anywhere.

azure-openaimanaged-identityentra-iddotnetterraformmicrosoft-foundry