Architecture Overview

flowchart TD
    GH[" GitHub
Source of Truth"]:::accent --> GHA[" GitHub Actions
CI Pipeline"]
    GHA --> Registry
    
    subgraph Registry ["Container Registry"]
        ECR[" ECR / Docker Hub"]
    end
    
    Registry --> ArgoCD
    
    subgraph GitOps ["GitOps"]
        ArgoCD[" ArgoCD
Sync Agent"]:::accent
        Kustomize[" Kustomize
Config Mgmt"]
    end
    
    ArgoCD --> Cluster
    Kustomize -.-> ArgoCD
    
    subgraph Cluster ["Kubernetes Cluster"]
        EKS[" EKS"]
        Istio[" Istio"]
        Vault[" Vault"]
    end
    
    EKS --> Prometheus
    
    subgraph Obs ["Observability Stack"]
        Prometheus[" Prometheus
Metrics"]
        Grafana[" Grafana
Dashboards"]:::accent
        Thanos[" Thanos
Long-term Storage"]
        
        Prometheus --> Grafana --> Thanos
    end
    
    Prometheus --> AM
    
    subgraph SRE ["Alerts & SRE"]
        AM[" Alertmanager
Alerting"]
        PD[" PagerDuty
Incident Response"]:::accent
        RD[" Rundeck
Self-Healing"]
    end

    classDef accent fill:#1f2630,stroke:#f97316,stroke-width:2px,color:#f97316;