Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6 Background Jobs and Scheduled Jobs 11 Working with Message Queues 14 Logging in .NET 10 Caching 10 Real-time Applications 9 ASP.NET Core MVC and Razor Pages 13

2 posts found #monitoring

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Backend PART 10

Job Dashboards, Monitoring and Alerting: Hangfire Dashboard, Quartz 4 Dashboard and OpenTelemetry

The Hangfire Dashboard is open only to local requests by default, but a request coming through a proxy on the same machine counts as local too: a request through Docker got a 200. In production, put the dashboard behind an authorization policy and read-only mode; the Quartz 4 dashboard won't start at all without authorization. A "last successful run older than 26 hours" health check, Quartz 4's OpenTelemetry spans and metrics, and structured logs carrying the JobId complete the picture.

8 Nov 2026 10 min 4

Backend PART 28

Health Checks in ASP.NET Core Web API: Liveness, Readiness and Database Checks

Health checks in ASP.NET Core Web API: a database check with AddDbContextCheck, a Redis check with IHealthCheck, separating liveness and readiness, why Degraded returns 200, JSON output and timeout pitfalls.

4 Nov 2026 8 min 36