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ASP.NET Core Health Checks: Complete Guide (2026)

Learn how to implement ASP.NET Core health checks to monitor databases, APIs & services. Step-by-step tutorial with code examples. Start monitoring now! ASP.NET Core Health Checks: Monitor Your Production App Like a Pro Your app is deployed. Users are active. Then at 2 AM, the database silently dies and nobody knows until customers start tweeting. Sound familiar? ASP.NET Core health checks solve this exact problem by giving you real-time visibility into the state of your application and its dependencies รข€” databases, external APIs, message queues, disk storage, and more. In this guide, you'll learn how to implement health checks in ASP.NET Core from scratch, build custom health check logic, integrate with Kubernetes probes, and follow production-tested best practices that keep your systems observable and reliable. What Are Health Checks in ASP.NET Core? Health checks are HTTP endpoints that report whether your application and its dependencies are functioning correct...