Christoffer Martinsson 355a986582 Fix nginx site monitoring to properly detect errors
- Return error status for HTTP 502/5xx responses instead of success
- Show 'error' description for sites with connectivity but wrong status codes
- Show 'unreachable' description for complete connection failures
- Each nginx site now has independent status based on actual health
- Sites with timeouts or server errors will trigger notifications
2025-10-14 20:53:07 +02:00
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