Briven/infra/observability/grafana/dashboards/api-requests.json

{
  "uid": "briven-api-requests",
  "title": "api · requests",
  "tags": ["briven", "api"],
  "timezone": "browser",
  "schemaVersion": 39,
  "refresh": "30s",
  "time": { "from": "now-1h", "to": "now" },
  "panels": [
    {
      "id": 1,
      "title": "request rate (req/s)",
      "type": "timeseries",
      "datasource": { "type": "prometheus", "uid": "Prometheus" },
      "gridPos": { "x": 0, "y": 0, "w": 12, "h": 8 },
      "targets": [
        {
          "expr": "sum by (status) (rate(http_requests_total{service=\"api\"}[1m]))",
          "legendFormat": "{{status}}"
        }
      ]
    },
    {
      "id": 2,
      "title": "p99 latency (ms)",
      "type": "timeseries",
      "datasource": { "type": "prometheus", "uid": "Prometheus" },
      "gridPos": { "x": 12, "y": 0, "w": 12, "h": 8 },
      "targets": [
        {
          "expr": "histogram_quantile(0.99, sum by (le, route) (rate(http_request_duration_ms_bucket{service=\"api\"}[5m])))",
          "legendFormat": "{{route}}"
        }
      ]
    },
    {
      "id": 3,
      "title": "5xx error rate (%)",
      "type": "stat",
      "datasource": { "type": "prometheus", "uid": "Prometheus" },
      "gridPos": { "x": 0, "y": 8, "w": 12, "h": 4 },
      "targets": [
        {
          "expr": "100 * sum(rate(http_requests_total{service=\"api\",status=~\"5..\"}[5m])) / sum(rate(http_requests_total{service=\"api\"}[5m]))"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "steps": [
              { "value": 0, "color": "green" },
              { "value": 1, "color": "yellow" },
              { "value": 5, "color": "red" }
            ]
          },
          "unit": "percent"
        }
      }
    },
    {
      "id": 4,
      "title": "recent 5xx logs",
      "type": "logs",
      "datasource": { "type": "loki", "uid": "Loki" },
      "gridPos": { "x": 12, "y": 8, "w": 12, "h": 4 },
      "targets": [
        {
          "expr": "{service=\"api\", level=\"error\"}"
        }
      ]
    }
  ]
}