Blog

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

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 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 Solution Patterns 22 SOLID and Design Principles 12 Clean Code 13 Design Patterns 23 UML and Modeling 18 Introduction to Software Architecture 9 Clean, Onion and Hexagonal Architecture 8 Vertical Slice Architecture 6 Domain-Driven Design 12 CQRS and Event Sourcing 10 Messaging and Event-Driven Architecture 9 Modular Monolith 2 Microservices 10 UI Architecture Patterns 9 Architecture Decisions 7 System Design 15 Distributed Systems Fundamentals 11 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 CI/CD Fundamentals 8 GitHub Actions 16 Jenkins 12 Web Servers and Hosting 12 Deployment Strategies 9 Kubernetes 19 Authentication and Authorization 18

2 posts found #health-checks

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DevOps PART 08

Kubernetes Health Probes: Startup, Liveness, Readiness and ASP.NET Core Health Checks

A startup probe waits for startup, liveness restarts a stuck process and readiness pulls a pod out of traffic; in ASP.NET Core tagged health checks give each probe its own endpoint. With real output we watch a 40-second warm-up fall into an endless restart loop under liveness, reach zero restarts with a startupProbe, see a database check in liveness cause four restarts per pod in two minutes, and do the math on probe timings.

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