DevServer/monitoring/grafana/dashboards/devserver-dashboard.json

{
  "id": null,
  "uid": "devserver-main",
  "title": "DevServer Monitoring Dashboard",
  "tags": ["devserver", "monitoring", "fastapi"],
  "timezone": "browser",
  "schemaVersion": 27,
  "version": 1,
  "refresh": "30s",
  "time": {
    "from": "now-1h",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": ["5s", "10s", "30s", "1m", "5m", "15m", "30m", "1h", "2h", "1d"]
  },
  "panels": [
    {
      "id": 1,
      "title": "API Request Rate",
      "type": "timeseries",
      "targets": [
        {
          "expr": "rate(http_requests_total[5m])",
          "legendFormat": "{{method}} {{endpoint}}",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
      "fieldConfig": {
        "defaults": {
          "unit": "reqps"
        }
      }
    },
    {
      "id": 2,
      "title": "API Response Time (p95 & p50)",
      "type": "timeseries",
      "targets": [
        {
          "expr": "histogram_quantile(0.95, rate(http_request_duration_seconds_bucket[5m]))",
          "legendFormat": "95th percentile",
          "refId": "A"
        },
        {
          "expr": "histogram_quantile(0.50, rate(http_request_duration_seconds_bucket[5m]))",
          "legendFormat": "50th percentile",
          "refId": "B"
        }
      ],
      "gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
      "fieldConfig": {
        "defaults": {
          "unit": "s"
        }
      }
    },
    {
      "id": 3,
      "title": "HTTP Status Codes Distribution",
      "type": "piechart",
      "targets": [
        {
          "expr": "sum(increase(http_requests_total[5m])) by (status)",
          "legendFormat": "{{status}}",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 8, "w": 8, "x": 0, "y": 8}
    },
    {
      "id": 4,
      "title": "Active Requests",
      "type": "stat",
      "targets": [
        {
          "expr": "http_requests_in_progress",
          "legendFormat": "In Progress",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 4, "w": 8, "x": 8, "y": 8},
      "fieldConfig": {
        "defaults": {
          "unit": "short",
          "color": {
            "mode": "thresholds"
          },
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {"value": null, "color": "green"},
              {"value": 50, "color": "yellow"},
              {"value": 100, "color": "red"}
            ]
          }
        }
      }
    },
    {
      "id": 5,
      "title": "Total Requests (5m)",
      "type": "stat",
      "targets": [
        {
          "expr": "sum(increase(http_requests_total[5m]))",
          "legendFormat": "Total",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 4, "w": 8, "x": 16, "y": 8},
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        }
      }
    },
    {
      "id": 6,
      "title": "Error Rate (5xx)",
      "type": "stat",
      "targets": [
        {
          "expr": "sum(rate(http_requests_total{status=~\"5..\"}[5m])) / sum(rate(http_requests_total[5m])) * 100",
          "legendFormat": "Error Rate",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 4, "w": 8, "x": 8, "y": 12},
      "fieldConfig": {
        "defaults": {
          "unit": "percent",
          "color": {
            "mode": "thresholds"
          },
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {"value": null, "color": "green"},
              {"value": 1, "color": "yellow"},
              {"value": 5, "color": "red"}
            ]
          }
        }
      }
    },
    {
      "id": 7,
      "title": "Average Response Time",
      "type": "stat",
      "targets": [
        {
          "expr": "rate(http_request_duration_seconds_sum[5m]) / rate(http_request_duration_seconds_count[5m])",
          "legendFormat": "Avg Response Time",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 4, "w": 8, "x": 16, "y": 12},
      "fieldConfig": {
        "defaults": {
          "unit": "s",
          "decimals": 3
        }
      }
    },
    {
      "id": 8,
      "title": "Container CPU Usage",
      "type": "timeseries",
      "targets": [
        {
          "expr": "rate(container_cpu_usage_seconds_total{name=~\"devserver.*\"}[5m]) * 100",
          "legendFormat": "{{name}}",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 8, "w": 12, "x": 0, "y": 16},
      "fieldConfig": {
        "defaults": {
          "unit": "percent"
        }
      }
    },
    {
      "id": 9,
      "title": "Container Memory Usage",
      "type": "timeseries",
      "targets": [
        {
          "expr": "container_memory_usage_bytes{name=~\"devserver.*\"} / 1024 / 1024",
          "legendFormat": "{{name}}",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 8, "w": 12, "x": 12, "y": 16},
      "fieldConfig": {
        "defaults": {
          "unit": "mbytes"
        }
      }
    },
    {
      "id": 10,
      "title": "RabbitMQ Queue Size",
      "type": "timeseries",
      "targets": [
        {
          "expr": "rabbitmq_queue_messages",
          "legendFormat": "{{queue}}",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 6, "w": 12, "x": 0, "y": 24},
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        }
      }
    },
    {
      "id": 11,
      "title": "RabbitMQ Message Rate",
      "type": "timeseries",
      "targets": [
        {
          "expr": "rate(rabbitmq_queue_messages_published_total[5m])",
          "legendFormat": "Published",
          "refId": "A"
        },
        {
          "expr": "rate(rabbitmq_queue_messages_delivered_total[5m])",
          "legendFormat": "Delivered",
          "refId": "B"
        }
      ],
      "gridPos": {"h": 6, "w": 12, "x": 12, "y": 24},
      "fieldConfig": {
        "defaults": {
          "unit": "msgs/s"
        }
      }
    },
    {
      "id": 12,
      "title": "OpenTelemetry Collector Metrics",
      "type": "timeseries",
      "targets": [
        {
          "expr": "rate(otelcol_receiver_accepted_spans[5m])",
          "legendFormat": "Spans Received",
          "refId": "A"
        },
        {
          "expr": "rate(otelcol_exporter_sent_spans[5m])",
          "legendFormat": "Spans Exported",
          "refId": "B"
        }
      ],
      "gridPos": {"h": 6, "w": 12, "x": 0, "y": 30},
      "fieldConfig": {
        "defaults": {
          "unit": "ops"
        }
      }
    },
    {
      "id": 13,
      "title": "Process Memory Usage",
      "type": "timeseries",
      "targets": [
        {
          "expr": "process_resident_memory_bytes / 1024 / 1024",
          "legendFormat": "{{job}}",
          "refId": "A"
        }
      ],
      "gridPos": {"h": 6, "w": 12, "x": 12, "y": 30},
      "fieldConfig": {
        "defaults": {
          "unit": "mbytes"
        }
      }
    }
  ],
  "templating": {
    "list": []
  },
  "annotations": {
    "list": [
      {
        "datasource": "Prometheus",
        "enable": true,
        "expr": "ALERTS{alertstate=\"firing\"}",
        "iconColor": "red",
        "name": "Alerts",
        "step": "60s",
        "tagKeys": "alertname",
        "textFormat": "{{alertname}}",
        "titleFormat": "Alert"
      }
    ]
  },
  "links": [],
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 1,
  "style": "dark"
}