Grafana dashboards as code with JSON provisioning

                  {
  "dashboard": {
    "title": "Application Overview",
    "uid": "app-overview",
    "timezone": "browser",
    "refresh": "30s",
    "time": {
      "from": "now-1h",
      "to": "now"
    },
    "templating": {
      "list": [
        {
          "name": "service",
          "type": "query",
          "datasource": "Prometheus",
          "query": "label_values(http_requests_total, service)",
          "refresh": 2,
          "multi": true,
          "includeAll": true
        },
        {
          "name": "environment",
          "type": "custom",
          "options": [
            {"text": "production", "value": "production"},
            {"text": "staging", "value": "staging"}
          ],
          "current": {"text": "production", "value": "production"}
        }
      ]
    },
    "panels": [
      {
        "title": "Request Rate",
        "type": "timeseries",
        "gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
        "targets": [
          {
            "expr": "sum(rate(http_requests_total{service=~"$service"}[5m])) by (status_code)",
            "legendFormat": "HTTP {{status_code}}"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "unit": "reqps",
            "custom": {
              "drawStyle": "line",
              "fillOpacity": 10
            }
          }
        }
      },
      {
        "title": "P95 Latency",
        "type": "timeseries",
        "gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
        "targets": [
          {
            "expr": "histogram_quantile(0.95, sum(rate(http_request_duration_seconds_bucket{service=~"$service"}[5m])) by (le))",
            "legendFormat": "p95"
          },
          {
            "expr": "histogram_quantile(0.99, sum(rate(http_request_duration_seconds_bucket{service=~"$service"}[5m])) by (le))",
            "legendFormat": "p99"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "unit": "s",
            "thresholds": {
              "steps": [
                {"color": "green", "value": null},
                {"color": "yellow", "value": 0.5},
                {"color": "red", "value": 1.0}
              ]
            }
          }
        }
      },
      {
        "title": "Error Rate",
        "type": "stat",
        "gridPos": {"h": 4, "w": 6, "x": 0, "y": 8},
        "targets": [
          {
            "expr": "sum(rate(http_requests_total{status=~"5..", service=~"$service"}[5m])) / sum(rate(http_requests_total{service=~"$service"}[5m])) * 100"
          }
        ],
        "fieldConfig": {
          "defaults": {
            "unit": "percent",
            "thresholds": {
              "steps": [
                {"color": "green", "value": null},
                {"color": "yellow", "value": 1},
                {"color": "red", "value": 5}
              ]
            }
          }
        }
      }
    ]
  }
}