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feat: Add Grafana dashboards and alerting (#105) #112

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egullickson merged 8 commits from issue-105-add-grafana-dashboards into main 2026-02-06 17:44:05 +00:00
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{
"__inputs": [],
"__elements": {},
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "12.4.0"
},
{
"type": "datasource",
"id": "loki",
"name": "Loki",
"version": "1.0.0"
}
],
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": {
"type": "grafana",
"uid": "-- Grafana --"
},
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"editable": false,
"fiscalYearStartMonth": 0,
"graphTooltip": 1,
"id": null,
"links": [],
"liveNow": false,
"panels": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "fixed",
"fixedColor": "blue"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "Requests / sec",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 15,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineInterpolation": "smooth",
"lineWidth": 2,
"pointSize": 5,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
},
"unit": "reqps"
},
"overrides": []
},
"gridPos": {
"h": 8,
"w": 24,
"x": 0,
"y": 0
},
"id": 1,
"options": {
"legend": {
"calcs": [
"mean",
"max"
],
"displayMode": "list",
"placement": "bottom",
"showLegend": true
},
"tooltip": {
"mode": "multi",
"sort": "none"
}
},
"targets": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "sum(rate({container=\"mvp-backend\"} | json | msg=\"Request processed\" [1m]))",
"legendFormat": "Requests/sec",
"refId": "A"
}
],
"title": "Request Rate Over Time",
"type": "timeseries"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "Duration (ms)",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineInterpolation": "smooth",
"lineWidth": 2,
"pointSize": 5,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "yellow",
"value": 500
},
{
"color": "red",
"value": 1000
}
]
},
"unit": "ms"
},
"overrides": []
},
"gridPos": {
"h": 8,
"w": 24,
"x": 0,
"y": 8
},
"id": 2,
"options": {
"legend": {
"calcs": [
"lastNotNull"
],
"displayMode": "list",
"placement": "bottom",
"showLegend": true
},
"tooltip": {
"mode": "multi",
"sort": "none"
}
},
"targets": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "quantile_over_time(0.50, {container=\"mvp-backend\"} | json | msg=\"Request processed\" | unwrap duration | __error__=\"\" [5m]) by ()",
"legendFormat": "p50",
"refId": "A"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "quantile_over_time(0.95, {container=\"mvp-backend\"} | json | msg=\"Request processed\" | unwrap duration | __error__=\"\" [5m]) by ()",
"legendFormat": "p95",
"refId": "B"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "quantile_over_time(0.99, {container=\"mvp-backend\"} | json | msg=\"Request processed\" | unwrap duration | __error__=\"\" [5m]) by ()",
"legendFormat": "p99",
"refId": "C"
}
],
"title": "Response Time Distribution (p50 / p95 / p99)",
"type": "timeseries"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 8,
"w": 8,
"x": 0,
"y": 16
},
"id": 3,
"options": {
"legend": {
"displayMode": "list",
"placement": "right",
"showLegend": true,
"values": [
"percent"
]
},
"pieType": "donut",
"reduceOptions": {
"values": false,
"calcs": [
"sum"
],
"fields": ""
},
"tooltip": {
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "12.4.0",
"targets": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "sum by (status) (count_over_time({container=\"mvp-backend\"} | json | msg=\"Request processed\" [5m]))",
"legendFormat": "{{status}}",
"refId": "A"
}
],
"title": "HTTP Status Code Distribution",
"type": "piechart"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"fillOpacity": 80,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineWidth": 1,
"scaleDistribution": {
"type": "linear"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 8,
"w": 16,
"x": 8,
"y": 16
},
"id": 4,
"options": {
"barRadius": 0,
"barWidth": 0.8,
"fullHighlight": false,
"groupWidth": 0.7,
"legend": {
"calcs": [],
"displayMode": "list",
"placement": "bottom",
"showLegend": false
},
"orientation": "horizontal",
"showValue": "auto",
"stacking": "none",
"tooltip": {
"mode": "single",
"sort": "none"
},
"xTickLabelRotation": 0,
"xTickLabelSpacing": 0
},
"pluginVersion": "12.4.0",
"targets": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "sum by (path) (count_over_time({container=\"mvp-backend\"} | json | msg=\"Request processed\" [5m]))",
"legendFormat": "{{path}}",
"refId": "A"
}
],
"title": "Request Volume by Endpoint",
"type": "barchart"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"custom": {
"align": "auto",
"cellOptions": {
"type": "auto"
},
"inspect": false
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "yellow",
"value": 200
},
{
"color": "red",
"value": 500
}
]
},
"unit": "ms"
},
"overrides": [
{
"matcher": {
"id": "byName",
"options": "path"
},
"properties": [
{
"id": "custom.width",
"value": 300
}
]
}
]
},
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 24
},
"id": 5,
"options": {
"cellHeight": "sm",
"footer": {
"countRows": false,
"fields": "",
"reducer": [
"sum"
],
"show": false
},
"showHeader": true,
"sortBy": [
{
"desc": true,
"displayName": "Value"
}
]
},
"pluginVersion": "12.4.0",
"targets": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "topk(10, avg by (path) (avg_over_time({container=\"mvp-backend\"} | json | msg=\"Request processed\" | unwrap duration | __error__=\"\" [5m])))",
"legendFormat": "{{path}}",
"refId": "A"
}
],
"title": "Slowest Endpoints (Avg Duration)",
"type": "table"
},
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"custom": {
"align": "auto",
"cellOptions": {
"type": "auto"
},
"inspect": false
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
}
},
"overrides": [
{
"matcher": {
"id": "byName",
"options": "path"
},
"properties": [
{
"id": "custom.width",
"value": 300
}
]
}
]
},
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 24
},
"id": 6,
"options": {
"cellHeight": "sm",
"footer": {
"countRows": false,
"fields": "",
"reducer": [
"sum"
],
"show": false
},
"showHeader": true,
"sortBy": [
{
"desc": true,
"displayName": "Value"
}
]
},
"pluginVersion": "12.4.0",
"targets": [
{
"datasource": {
"type": "loki",
"uid": "${datasource}"
},
"expr": "sum by (path, status) (count_over_time({container=\"mvp-backend\"} | json | msg=\"Request processed\" [5m]))",
"legendFormat": "{{path}} - {{status}}",
"refId": "A"
}
],
"title": "Status Code Breakdown by Endpoint",
"type": "table"
}
],
"refresh": "30s",
"schemaVersion": 39,
"tags": [
"api",
"performance",
"backend"
],
"templating": {
"list": [
{
"current": {
"selected": false,
"text": "Loki",
"value": "Loki"
},
"hide": 0,
"includeAll": false,
"label": "Datasource",
"multi": false,
"name": "datasource",
"options": [],
"query": "loki",
"refresh": 1,
"regex": "",
"skipUrlSync": false,
"type": "datasource"
}
]
},
"time": {
"from": "now-1h",
"to": "now"
},
"timepicker": {},
"timezone": "browser",
"title": "API Performance",
"uid": "api-performance",
"version": 1,
"weekStart": ""
}