[Backend] Implement Health Check Enhancements

[gelluisaac]

Overview

Enhance the health check system with more comprehensive checks and monitoring.

Current State

• Basic health check exists
• Limited checks
• No health history
• No alerting

Requirements

1. Health Check Types

   • Database connectivity
   • Redis connectivity
   • External service health
   • Disk space
   • Memory usage
   • CPU usage

2. Health Features

   • Health history
   • Health trends
   • Health degradation detection
   • Health score calculation
   • Health alerts

3. Monitoring

   • Real-time health monitoring
   • Health dashboards
   • Health metrics
   • Health reports
   • Health notifications

4. Integration

   • Load balancer health checks
   • Kubernetes readiness/liveness probes
   • Monitoring service integration
   • Alerting integration
   • CI/CD health checks

Technical Details

• Enhance existing health check
• Add more health checks
• Implement health history
• Add alerting

Files to Create/Modify

• backend/src/routes/health.ts (enhance)
• backend/src/services/healthService.ts (create)
• backend/src/models/HealthCheck.ts (create)
• backend/src/config/health.ts (create)
• backend/src/utils/healthUtils.ts (create)

Acceptance Criteria

• All health checks work
• Health history is tracked
• Health trends are calculated
• Alerts work correctly
• Dashboards display health
• Load balancer checks work
• Kubernetes probes work
• Performance is good

References

• Health check best practices: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
• Monitoring patterns: https://www.datadoghq.com/blog/monitoring-101/

[aliyuHabibu]

Hi, I'm a software engineer, I've gone through the issue and I can resolve it. Assign it to me thank you

[Promise278]

i have expereience with backend system archetecure i would love to work on these please

[DevAyomi]

Hi Maintainer, Please i wouldd love to work on this issue

[Adeolu01]

I would love to resolve this issue as I am well fit for it. Please assign

[tecch-wiz]

I’m interested in tackling this! I have a strong background in smart contract development and full-stack systems, so I'm well-equipped to handle the requirements here. Could you please assign this to me?

[grantfox-oss]

🦊 GrantFox — @tecch-wiz has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #185)
2. Your PR will be reviewed by the nexoraorg maintainers

Good luck! Track your progress on GrantFox.