Detect and restart unhealthy servers automatically

flowchart TD trig(["every 5 minutes scheduled check"]):::trigtime s0[["check server health signals"]]:::mi s1[("log check result")]:::store trig --> s0 gx{"× is the server healthy"}:::gate s0 --> gx p00["no action needed"]:::task gx -->|"healthy"| p00 p10["restart server"]:::task gx -->|"unhealthy"| p10 p11["alert team"]:::task p10 --> p11 jn{"○ continue to logging"}:::gate p00 --> jn p11 --> jn jn --> s1 out[/"unhealthy servers restarted automatically"/]:::out pay{{"outages caught before customers notice"}}:::pay s1 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff