{
  "dashboard": {
    "title": "Service Overview",
    "description": "System overview dashboard for service monitoring",
    "tags": ["overview", "service"],
    "timezone": "browser",
    "refresh": "30s",
    "time": {
      "from": "now-1h",
      "to": "now"
    },
    "panels": [
      {
        "id": 1,
        "title": "Request Rate",
        "type": "graph",
        "description": "HTTP request rate per second",
        "targets": [
          {
            "expr": "rate(http_requests_total[5m])",
            "refId": "A",
            "legendFormat": "{{ method }} {{ path }}"
          }
        ],
        "gridPos": {
          "h": 8,
          "w": 12,
          "x": 0,
          "y": 0
        },
        "unit": "rps",
        "decimals": 2
      },
      {
        "id": 2,
        "title": "Error Rate",
        "type": "gauge",
        "description": "Error rate percentage",
        "targets": [
          {
            "expr": "rate(http_errors_total[5m])",
            "refId": "A"
          }
        ],
        "gridPos": {
          "h": 8,
          "w": 12,
          "x": 12,
          "y": 0
        },
        "unit": "percentunit",
        "decimals": 2
      },
      {
        "id": 3,
        "title": "Response Time (p95)",
        "type": "graph",
        "description": "95th percentile response time",
        "targets": [
          {
            "expr": "histogram_quantile(0.95, rate(http_request_duration_seconds_bucket[5m]))",
            "refId": "A",
            "legendFormat": "p95"
          }
        ],
        "gridPos": {
          "h": 8,
          "w": 24,
          "x": 0,
          "y": 8
        },
        "unit": "s",
        "decimals": 3
      },
      {
        "id": 4,
        "title": "Active Connections",
        "type": "stat",
        "description": "Current number of active connections",
        "targets": [
          {
            "expr": "http_connections_active",
            "refId": "A"
          }
        ],
        "gridPos": {
          "h": 4,
          "w": 6,
          "x": 0,
          "y": 16
        },
        "unit": "short",
        "decimals": 0
      },
      {
        "id": 5,
        "title": "Memory Usage",
        "type": "gauge",
        "description": "Process memory usage",
        "targets": [
          {
            "expr": "process_resident_memory_bytes / 1024 / 1024",
            "refId": "A",
            "legendFormat": "MB"
          }
        ],
        "gridPos": {
          "h": 4,
          "w": 6,
          "x": 6,
          "y": 16
        },
        "unit": "short",
        "decimals": 1
      },
      {
        "id": 6,
        "title": "CPU Time",
        "type": "gauge",
        "description": "CPU usage percentage",
        "targets": [
          {
            "expr": "rate(process_cpu_seconds_total[5m]) * 100",
            "refId": "A",
            "legendFormat": "%"
          }
        ],
        "gridPos": {
          "h": 4,
          "w": 6,
          "x": 12,
          "y": 16
        },
        "unit": "percent",
        "decimals": 1
      }
    ],
    "templating": {
      "list": []
    },
    "version": 1
  },
  "overwrite": true
}