~/talk

Everything a .NET dev needs to know about configuration and secret management

Talkat NDC Oslo 2025 · 2025-05-19..05-23· [security]
links:none on file
slides:none on file

Shows how .NET’s configuration chain actually maps into code, demonstrates the Options pattern with validation and reload-on-change, and uses user secrets for local dev plus Azure Key Vault (and Azure App Configuration) in production. Live demo calls /pizzas and /connectionstring, deploys to Azure SQL and an App Service using Managed Identity and DefaultAzureCredential (no stored passwords). Cites GitGuardian numbers: ~24M leaked secrets and ~70% still active, argues never to commit secrets.

AI-written summary · about

  1. 0:00Introduction
  2. 1:03Why configuration matters
  3. 7:07Basics of .NET config
  4. 16:18Options pattern benefits
  5. 27:32Secure secrets in dev
  6. 33:33Secrets to production
  7. 41:04Azure Key Vault & identities
  8. 44:35Live config demo
  9. 53:11Key takeaways
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