diff --git a/devenv/dashboards.yaml b/devenv/dashboards.yaml
new file mode 100644
index 0000000..9f6e49a
--- /dev/null
+++ b/devenv/dashboards.yaml
@@ -0,0 +1,11 @@
+apiVersion: 1
+
+providers:
+  - name: 'Zabbix test dashboards'
+    folder: 'zabbix'
+    folderUid: ''
+    type: file
+    allowUiUpdates: false
+    updateIntervalSeconds: 60
+    options:
+      path: /devenv/dashboards
diff --git a/devenv/dashboards/template_linux_server.json b/devenv/dashboards/template_linux_server.json
new file mode 100644
index 0000000..3108318
--- /dev/null
+++ b/devenv/dashboards/template_linux_server.json
@@ -0,0 +1,533 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "target": {
+          "limit": 100,
+          "matchAny": false,
+          "tags": [],
+          "type": "dashboard"
+        },
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "iteration": 1651660898062,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "collapsed": false,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 4,
+      "panels": [],
+      "title": "CPU",
+      "type": "row"
+    },
+    {
+      "aliasColors": {
+        "CPU iowait time": "#B7DBAB",
+        "CPU system time": "#BF1B00",
+        "CPU user time": "#EAB839"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": {
+        "type": "alexanderzobnin-zabbix-datasource",
+        "uid": "PCAF1C06DCF802728"
+      },
+      "editable": true,
+      "error": false,
+      "fill": 3,
+      "fillGradient": 0,
+      "grid": {},
+      "gridPos": {
+        "h": 7,
+        "w": 12,
+        "x": 0,
+        "y": 1
+      },
+      "hiddenSeries": false,
+      "id": 1,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "connected",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "8.4.7",
+      "pointradius": 2,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": true,
+      "steppedLine": false,
+      "targets": [
+        {
+          "application": {
+            "filter": "CPU"
+          },
+          "countTriggers": true,
+          "functions": [],
+          "group": {
+            "filter": "$group"
+          },
+          "host": {
+            "filter": "$host"
+          },
+          "item": {
+            "filter": "/CPU/"
+          },
+          "minSeverity": 3,
+          "mode": 0,
+          "options": {
+            "showDisabledItems": false
+          },
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeRegions": [],
+      "title": "CPU",
+      "tooltip": {
+        "msResolution": false,
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "mode": "time",
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "percent",
+          "logBase": 1,
+          "max": 100,
+          "min": 0,
+          "show": true
+        },
+        {
+          "format": "short",
+          "logBase": 1,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false
+      }
+    },
+    {
+      "aliasColors": {
+        "Processor load (1 min average per core)": "#1F78C1"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": {
+        "type": "alexanderzobnin-zabbix-datasource",
+        "uid": "PCAF1C06DCF802728"
+      },
+      "editable": true,
+      "error": false,
+      "fill": 1,
+      "fillGradient": 0,
+      "grid": {},
+      "gridPos": {
+        "h": 7,
+        "w": 12,
+        "x": 12,
+        "y": 1
+      },
+      "hiddenSeries": false,
+      "id": 2,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 2,
+      "links": [],
+      "nullPointMode": "connected",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "8.4.7",
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "application": {
+            "filter": "CPU"
+          },
+          "countTriggers": true,
+          "functions": [],
+          "group": {
+            "filter": "$group"
+          },
+          "host": {
+            "filter": "$host"
+          },
+          "item": {
+            "filter": "Processor load (15 min average per core)"
+          },
+          "minSeverity": 3,
+          "mode": 0,
+          "options": {
+            "showDisabledItems": false
+          },
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeRegions": [],
+      "title": "System load",
+      "tooltip": {
+        "msResolution": false,
+        "shared": true,
+        "sort": 0,
+        "value_type": "cumulative"
+      },
+      "type": "graph",
+      "xaxis": {
+        "mode": "time",
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "short",
+          "logBase": 1,
+          "min": 0,
+          "show": true
+        },
+        {
+          "format": "short",
+          "logBase": 1,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false
+      }
+    },
+    {
+      "collapsed": false,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 8
+      },
+      "id": 5,
+      "panels": [],
+      "title": "Network",
+      "type": "row"
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": {
+        "type": "alexanderzobnin-zabbix-datasource",
+        "uid": "PCAF1C06DCF802728"
+      },
+      "editable": true,
+      "error": false,
+      "fill": 3,
+      "fillGradient": 0,
+      "grid": {},
+      "gridPos": {
+        "h": 7,
+        "w": 24,
+        "x": 0,
+        "y": 9
+      },
+      "hiddenSeries": false,
+      "id": 3,
+      "legend": {
+        "alignAsTable": false,
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "rightSide": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 2,
+      "links": [],
+      "maxPerRow": 3,
+      "nullPointMode": "connected",
+      "options": {
+        "alertThreshold": true
+      },
+      "percentage": false,
+      "pluginVersion": "8.4.7",
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "repeat": "netif",
+      "seriesOverrides": [
+        {
+          "alias": "/Incoming/",
+          "transform": "negative-Y"
+        }
+      ],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "countTriggers": true,
+          "functions": [],
+          "group": {
+            "filter": "$group"
+          },
+          "host": {
+            "filter": "$host"
+          },
+          "item": {
+            "filter": "/$netif/"
+          },
+          "minSeverity": 3,
+          "mode": 0,
+          "options": {
+            "showDisabledItems": false
+          },
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeRegions": [],
+      "title": "Network traffic on $netif",
+      "tooltip": {
+        "msResolution": false,
+        "shared": true,
+        "sort": 0,
+        "value_type": "cumulative"
+      },
+      "type": "graph",
+      "xaxis": {
+        "mode": "time",
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "bps",
+          "logBase": 1,
+          "show": true
+        },
+        {
+          "format": "short",
+          "logBase": 1,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false
+      }
+    }
+  ],
+  "revision": 1,
+  "schemaVersion": 35,
+  "style": "dark",
+  "tags": [
+    "zabbix",
+    "example"
+  ],
+  "templating": {
+    "list": [
+      {
+        "allFormat": "regex values",
+        "current": {
+          "selected": true,
+          "text": "Backend",
+          "value": "Backend"
+        },
+        "datasource": {
+          "type": "alexanderzobnin-zabbix-datasource",
+          "uid": "PCAF1C06DCF802728"
+        },
+        "definition": "Zabbix - group",
+        "hide": 0,
+        "includeAll": false,
+        "label": "Group",
+        "multi": false,
+        "multiFormat": "glob",
+        "name": "group",
+        "options": [],
+        "query": {
+          "application": "",
+          "group": "/.*/",
+          "host": "",
+          "item": "",
+          "queryType": "group"
+        },
+        "refresh": 1,
+        "refresh_on_load": false,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "allFormat": "glob",
+        "current": {
+          "selected": true,
+          "text": "backend01",
+          "value": "backend01"
+        },
+        "datasource": {
+          "type": "alexanderzobnin-zabbix-datasource",
+          "uid": "PCAF1C06DCF802728"
+        },
+        "definition": "Zabbix - host",
+        "hide": 0,
+        "includeAll": false,
+        "label": "Host",
+        "multi": false,
+        "multiFormat": "glob",
+        "name": "host",
+        "options": [],
+        "query": {
+          "application": "",
+          "group": "$group",
+          "host": "/.*/",
+          "item": "",
+          "queryType": "host"
+        },
+        "refresh": 1,
+        "refresh_on_load": false,
+        "regex": "",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      },
+      {
+        "allFormat": "regex values",
+        "current": {
+          "selected": false,
+          "text": "All",
+          "value": "$__all"
+        },
+        "datasource": {
+          "type": "alexanderzobnin-zabbix-datasource",
+          "uid": "PCAF1C06DCF802728"
+        },
+        "definition": "Zabbix - item",
+        "hide": 0,
+        "hideLabel": false,
+        "includeAll": true,
+        "label": "Network interface",
+        "multi": true,
+        "multiFormat": "regex values",
+        "name": "netif",
+        "options": [],
+        "query": {
+          "application": "Network interfaces",
+          "group": "/.*/",
+          "host": "$host",
+          "item": "/.*/",
+          "queryType": "item"
+        },
+        "refresh": 1,
+        "refresh_on_load": false,
+        "regex": "/(?:Incoming|Outgoing) network traffic on (.*)/",
+        "skipUrlSync": false,
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      }
+    ]
+  },
+  "time": {
+    "from": "now-3h",
+    "to": "now"
+  },
+  "timepicker": {
+    "now": true,
+    "refresh_intervals": [
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "3h",
+      "2h",
+      "1d"
+    ],
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ]
+  },
+  "timezone": "browser",
+  "title": "Template Linux Server",
+  "uid": "hbX4md_nk",
+  "version": 1,
+  "weekStart": ""
+}
diff --git a/devenv/dashboards/zabbix_datasource_features.json b/devenv/dashboards/zabbix_datasource_features.json
new file mode 100644
index 0000000..2d22734
--- /dev/null
+++ b/devenv/dashboards/zabbix_datasource_features.json
@@ -0,0 +1,1028 @@
+{
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "target": {
+          "limit": 100,
+          "matchAny": false,
+          "tags": [],
+          "type": "dashboard"
+        },
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "fiscalYearStartMonth": 0,
+  "graphTooltip": 0,
+  "id": 3,
+  "links": [],
+  "liveNow": false,
+  "panels": [
+    {
+      "ackEventColor": "rgb(56, 219, 156)",
+      "ackField": true,
+      "ageField": false,
+      "customLastChangeFormat": false,
+      "descriptionAtNewLine": false,
+      "descriptionField": true,
+      "fontSize": "100%",
+      "gridPos": {
+        "h": 11,
+        "w": 19,
+        "x": 0,
+        "y": 0
+      },
+      "highlightBackground": false,
+      "highlightNewEvents": false,
+      "highlightNewerThan": "1h",
+      "hostField": true,
+      "hostGroups": false,
+      "hostProxy": false,
+      "hostTechNameField": false,
+      "id": 4,
+      "lastChangeFormat": "",
+      "layout": "table",
+      "markAckEvents": false,
+      "okEventColor": "rgb(56, 189, 113)",
+      "pageSize": 10,
+      "problemTimeline": true,
+      "resizedColumns": [],
+      "schemaVersion": 8,
+      "severityField": true,
+      "showTags": true,
+      "sortProblems": "lastchange",
+      "statusField": true,
+      "statusIcon": false,
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": ""
+          },
+          "host": {
+            "filter": ""
+          },
+          "item": {
+            "filter": ""
+          },
+          "itemTag": {
+            "filter": ""
+          },
+          "options": {
+            "acknowledged": 2,
+            "disableDataAlignment": false,
+            "hostProxy": false,
+            "hostsInMaintenance": false,
+            "limit": 1001,
+            "minSeverity": 0,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "sortProblems": "default",
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "5",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "showProblems": "problems",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Problems ",
+      "triggerSeverity": [
+        {
+          "$$hashKey": "object:127",
+          "color": "rgb(108, 108, 108)",
+          "priority": 0,
+          "severity": "Not classified",
+          "show": true
+        },
+        {
+          "$$hashKey": "object:128",
+          "color": "rgb(120, 158, 183)",
+          "priority": 1,
+          "severity": "Information",
+          "show": true
+        },
+        {
+          "$$hashKey": "object:129",
+          "color": "rgb(175, 180, 36)",
+          "priority": 2,
+          "severity": "Warning",
+          "show": true
+        },
+        {
+          "$$hashKey": "object:130",
+          "color": "rgb(255, 137, 30)",
+          "priority": 3,
+          "severity": "Average",
+          "show": true
+        },
+        {
+          "$$hashKey": "object:131",
+          "color": "rgb(255, 101, 72)",
+          "priority": 4,
+          "severity": "High",
+          "show": true
+        },
+        {
+          "$$hashKey": "object:132",
+          "color": "rgb(215, 0, 0)",
+          "priority": 5,
+          "severity": "Disaster",
+          "show": true
+        }
+      ],
+      "type": "alexanderzobnin-zabbix-triggers-panel"
+    },
+    {
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 6,
+        "w": 5,
+        "x": 19,
+        "y": 0
+      },
+      "id": 2,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "area",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "/^Host$/",
+          "values": false
+        },
+        "textMode": "value"
+      },
+      "pluginVersion": "8.4.7",
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": "Linux servers"
+          },
+          "host": {
+            "filter": "backend01"
+          },
+          "item": {
+            "filter": "Host name of Zabbix agent running"
+          },
+          "itemTag": {
+            "filter": ""
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "2",
+          "refId": "A",
+          "resultFormat": "table",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Text data",
+      "type": "stat"
+    },
+    {
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "thresholds"
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 5,
+        "w": 5,
+        "x": 19,
+        "y": 6
+      },
+      "id": 6,
+      "options": {
+        "colorMode": "value",
+        "graphMode": "area",
+        "justifyMode": "auto",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "lastNotNull"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "textMode": "auto"
+      },
+      "pluginVersion": "8.4.7",
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": "Zabbix servers"
+          },
+          "host": {
+            "filter": "Zabbix server"
+          },
+          "item": {
+            "filter": "Load average (1m avg)"
+          },
+          "itemTag": {
+            "filter": "component: cpu"
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "0",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Load",
+      "type": "stat"
+    },
+    {
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 11
+      },
+      "id": 8,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": "Linux servers"
+          },
+          "host": {
+            "filter": "/.*/"
+          },
+          "item": {
+            "filter": "CPU system time"
+          },
+          "itemTag": {
+            "filter": ""
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "0",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Multiple metrics",
+      "type": "timeseries"
+    },
+    {
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "points",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": [
+          {
+            "matcher": {
+              "id": "byRegexp",
+              "options": "/CPU/"
+            },
+            "properties": [
+              {
+                "id": "color",
+                "value": {
+                  "fixedColor": "semi-dark-red",
+                  "mode": "fixed"
+                }
+              }
+            ]
+          },
+          {
+            "matcher": {
+              "id": "byName",
+              "options": "median {item=\"aggregateBy(5m, median)\", item_key=\"\"}"
+            },
+            "properties": [
+              {
+                "id": "custom.drawStyle",
+                "value": "line"
+              },
+              {
+                "id": "color",
+                "value": {
+                  "fixedColor": "blue",
+                  "mode": "fixed"
+                }
+              }
+            ]
+          }
+        ]
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 11
+      },
+      "id": 9,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": "Linux servers"
+          },
+          "host": {
+            "filter": "/.*/"
+          },
+          "item": {
+            "filter": "CPU system time"
+          },
+          "itemTag": {
+            "filter": ""
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "0",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        },
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [
+            {
+              "$$hashKey": "object:577",
+              "def": {
+                "category": "Aggregate",
+                "defaultParams": [
+                  "1m",
+                  "avg"
+                ],
+                "name": "aggregateBy",
+                "params": [
+                  {
+                    "name": "interval",
+                    "type": "string"
+                  },
+                  {
+                    "name": "function",
+                    "options": [
+                      "avg",
+                      "min",
+                      "max",
+                      "sum",
+                      "count",
+                      "median",
+                      "first",
+                      "last"
+                    ],
+                    "type": "string"
+                  }
+                ]
+              },
+              "params": [
+                "5m",
+                "median"
+              ],
+              "text": "aggregateBy(5m, median)"
+            },
+            {
+              "$$hashKey": "object:578",
+              "def": {
+                "category": "Alias",
+                "defaultParams": [],
+                "name": "setAlias",
+                "params": [
+                  {
+                    "name": "alias",
+                    "type": "string"
+                  }
+                ]
+              },
+              "params": [
+                "median"
+              ],
+              "text": "setAlias(median)"
+            }
+          ],
+          "group": {
+            "filter": "Linux servers"
+          },
+          "hide": false,
+          "host": {
+            "filter": "/.*/"
+          },
+          "item": {
+            "filter": "CPU system time"
+          },
+          "itemTag": {
+            "filter": ""
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "0",
+          "refId": "B",
+          "resultFormat": "time_series",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Functions",
+      "type": "timeseries"
+    },
+    {
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "continuous-BlYlRd",
+            "seriesBy": "last"
+          },
+          "custom": {
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "axisSoftMin": 0,
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 10,
+            "gradientMode": "scheme",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 2,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 1
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 0,
+        "y": 19
+      },
+      "id": 11,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": "Zabbix servers"
+          },
+          "host": {
+            "filter": "Zabbix server"
+          },
+          "item": {
+            "filter": "Load average (15m avg)"
+          },
+          "itemTag": {
+            "filter": "component: cpu"
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "0",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Load",
+      "type": "timeseries"
+    },
+    {
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "continuous-BlYlRd",
+            "seriesBy": "last"
+          },
+          "custom": {
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "axisSoftMin": 0,
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 10,
+            "gradientMode": "scheme",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "smooth",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "normal"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "max": -2,
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 1
+              }
+            ]
+          }
+        },
+        "overrides": [
+          {
+            "matcher": {
+              "id": "byRegexp",
+              "options": "/CPU/"
+            },
+            "properties": [
+              {
+                "id": "custom.axisSoftMax",
+                "value": 300
+              },
+              {
+                "id": "max"
+              }
+            ]
+          }
+        ]
+      },
+      "gridPos": {
+        "h": 8,
+        "w": 12,
+        "x": 12,
+        "y": 19
+      },
+      "id": 12,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "hidden",
+          "placement": "bottom"
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "targets": [
+        {
+          "application": {
+            "filter": ""
+          },
+          "datasource": {
+            "type": "alexanderzobnin-zabbix-datasource",
+            "uid": "PCAF1C06DCF802728"
+          },
+          "functions": [],
+          "group": {
+            "filter": "Linux servers"
+          },
+          "host": {
+            "filter": "/.*/"
+          },
+          "item": {
+            "filter": "/CPU .* time/"
+          },
+          "itemTag": {
+            "filter": ""
+          },
+          "options": {
+            "disableDataAlignment": false,
+            "showDisabledItems": false,
+            "skipEmptyValues": false,
+            "useZabbixValueMapping": false
+          },
+          "proxy": {
+            "filter": ""
+          },
+          "queryType": "0",
+          "refId": "A",
+          "resultFormat": "time_series",
+          "table": {
+            "skipEmptyValues": false
+          },
+          "tags": {
+            "filter": ""
+          },
+          "trigger": {
+            "filter": ""
+          },
+          "triggers": {
+            "acknowledged": 2,
+            "count": true,
+            "minSeverity": 3
+          }
+        }
+      ],
+      "title": "Stack",
+      "type": "timeseries"
+    }
+  ],
+  "schemaVersion": 35,
+  "style": "dark",
+  "tags": [],
+  "templating": {
+    "list": []
+  },
+  "time": {
+    "from": "now-3h",
+    "to": "now"
+  },
+  "timepicker": {},
+  "timezone": "",
+  "title": "Zabbix data source features",
+  "uid": "u9mWZdlnk",
+  "version": 6,
+  "weekStart": ""
+}
diff --git a/devenv/datasources.yaml b/devenv/datasources.yaml
new file mode 100644
index 0000000..f392ee4
--- /dev/null
+++ b/devenv/datasources.yaml
@@ -0,0 +1,15 @@
+apiVersion: 1
+
+datasources:
+  - name: zabbix
+    type: alexanderzobnin-zabbix-datasource
+    access: proxy
+    url: http://zabbix-web:8080/api_jsonrpc.php
+    isDefault: true
+    jsonData:
+      username: Admin
+      trends: true
+      trendsFrom: "7d"
+      trendsRange: "4d"
+    secureJsonData:
+      password: zabbix
diff --git a/devenv/grafana.ini b/devenv/grafana.ini
new file mode 100644
index 0000000..062f4ef
--- /dev/null
+++ b/devenv/grafana.ini
@@ -0,0 +1,10 @@
+app_mode = development
+
+[log]
+level = debug
+
+[plugins]
+enable_alpha = true
+
+[plugin.alexanderzobnin-zabbix-datasource]
+path = /grafana-zabbix
diff --git a/devenv/zabbix60/docker-compose.yml b/devenv/zabbix60/docker-compose.yml
index 8886f83..dc81139 100644
--- a/devenv/zabbix60/docker-compose.yml
+++ b/devenv/zabbix60/docker-compose.yml
@@ -1,6 +1,18 @@
 version: "3"
 
 services:
+  # Grafana
+  grafana:
+    image: grafana/grafana:8.4.7
+    ports:
+      - "3001:3000"
+    volumes:
+      - ../..:/grafana-zabbix
+      - ../dashboards:/devenv/dashboards
+      - ../grafana.ini:/etc/grafana/grafana.ini:ro
+      - "../datasources.yaml:/etc/grafana/provisioning/datasources/datasources.yaml"
+      - "../dashboards.yaml:/etc/grafana/provisioning/dashboards/dashboards.yaml"
+
   # Zabbix
   zabbix-server:
     image: zabbix/zabbix-server-pgsql:alpine-6.0-latest