The workflow JSON

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Download .json

{
  "id": "8",
  "name": "WF-07 Health Check",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 5
            }
          ]
        }
      },
      "id": "schedule-1",
      "name": "Every 5 Minutes",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        0,
        0
      ]
    },
    {
      "parameters": {
        "method": "GET",
        "url": "http://core-engine:8000/health",
        "options": {
          "timeout": 10000
        }
      },
      "id": "http-1",
      "name": "Check Health",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        220,
        0
      ]
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{ $json.status }}",
              "operation": "notEqual",
              "value2": "ok"
            }
          ]
        }
      },
      "id": "if-1",
      "name": "Status Not OK?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 2,
      "position": [
        440,
        0
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "https://api.telegram.org/bot<YOUR_BOT_TOKEN>/sendMessage",
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "chat_id",
              "value": "<YOUR_CHAT_ID>"
            },
            {
              "name": "text",
              "value": "=ALERT: Core Engine health check failed!\nStatus: {{ $json.status }}\nTimestamp: {{ $now.toISO() }}"
            }
          ]
        },
        "options": {
          "timeout": 10000
        }
      },
      "id": "http-2",
      "name": "Send Telegram Alert",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        660,
        0
      ]
    }
  ],
  "connections": {
    "Every 5 Minutes": {
      "main": [
        [
          {
            "node": "Check Health",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check Health": {
      "main": [
        [
          {
            "node": "Status Not OK?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Status Not OK?": {
      "main": [
        [
          {
            "node": "Send Telegram Alert",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}

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