RVM.HealthGuard

Overview

RVM.HealthGuard is a health monitoring and incident management system. It continuously monitors HTTP service endpoints, tracks real-time status, detects incidents (downtime, degradation, timeout) and provides detailed historical analytics. Uses PostgreSQL for persistence, SignalR for real-time notifications and Background Services for automatic endpoint polling.

Features

• HTTP monitoring with configurable intervals and timeouts
• Real-time status tracking: Healthy, Unhealthy, Degraded
• Automatic incident detection: Down, Degraded, Timeout
• Uptime percentage calculation in 24-hour windows
• Average response time analytics
• Real-time notifications via SignalR with service grouping
• HealthCheckWorker as BackgroundService with continuous polling
• Complete audit history of health checks and incidents
• Rate limiting (60 req/min global, 200 req/min per API Key)

Technologies

• .NET 10
• ASP.NET Core 10
• SignalR
• EF Core 10
• PostgreSQL
• Npgsql 10.0.1
• Serilog
• xUnit
• Moq

Patterns & architecture

• Clean Architecture (3 camadas)
• Background Service Pattern
• Repository Pattern
• Real-time Push (SignalR Hub)
• Custom Auth Handler
• Middleware Pipeline

REST endpoints