[Backend] -- Implement Health Check Endpoints Enhancement

[Devsol-01]

Description

Enhance existing health checks with more detailed status information.

Tasks

• Add database health check
• Add Redis health check
• Add external service checks
• Add memory/CPU metrics
• Create detailed health endpoint
• Add health check dashboard

Acceptance Criteria

• All services checked
• Detailed status returned
• Dashboard shows health
• Alerts on failures

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[Mathews-25]

@Mathews-25 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I can work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Mathews-25 to this issue.

[drips-wave]

Congratulations, @Mathews-25! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Mathews-25: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

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🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

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