Weekly Documentation Update & Notify

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Weekly Documentation Update",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 2 * * 0"
            }
          ]
        }
      },
      "name": "Every Sunday at 2 AM",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.1,
      "position": [
        250,
        300
      ],
      "id": "node-1"
    },
    {
      "parameters": {
        "command": "cd /home/justin/Code/ai-rag-stack && make update-docs"
      },
      "name": "Update Documentation",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        450,
        300
      ],
      "id": "node-2"
    },
    {
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$json.exitCode}}",
              "operation": "equals",
              "value2": "0"
            }
          ]
        }
      },
      "name": "Check if Updates Found",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        650,
        300
      ],
      "id": "node-3"
    },
    {
      "parameters": {
        "functionCode": "// Parse the update output\nconst output = $input.item.json.stdout;\nconst lines = output.split('\\n');\n\n// Extract updated repos\nconst updatedRepos = [];\nlet inUpdatedSection = false;\n\nfor (const line of lines) {\n  if (line.includes('Updated repositories:')) {\n    inUpdatedSection = true;\n    continue;\n  }\n  if (inUpdatedSection && line.trim().startsWith('\u2022')) {\n    updatedRepos.push(line.trim().substring(1).trim());\n  }\n  if (line.includes('Total size:')) {\n    break;\n  }\n}\n\n// Extract counts\nconst updatedMatch = output.match(/Repositories updated: (\\d+)/);\nconst updatedCount = updatedMatch ? updatedMatch[1] : '0';\n\nreturn {\n  json: {\n    updatedCount: updatedCount,\n    updatedRepos: updatedRepos,\n    timestamp: new Date().toISOString(),\n    message: `\ud83d\udcda Documentation Update Complete!\\n\\n\u2713 ${updatedCount} repositories updated:\\n${updatedRepos.map(r => `  \u2022 ${r}`).join('\\n')}\\n\\nRe-ingestion completed successfully.`\n  }\n};"
      },
      "name": "Format Success Message",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        850,
        200
      ],
      "id": "node-4"
    },
    {
      "parameters": {
        "functionCode": "return {\n  json: {\n    message: `\u2713 Documentation Update Check Complete\\n\\nNo updates found. All documentation is current.\\n\\nNext check: Next Sunday at 2 AM`,\n    timestamp: new Date().toISOString()\n  }\n};"
      },
      "name": "Format No Updates Message",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        850,
        400
      ],
      "id": "node-5"
    },
    {
      "parameters": {
        "authentication": "headerAuth",
        "url": "https://hooks.slack.com/services/YOUR/SLACK/WEBHOOK",
        "options": {},
        "bodyParametersJson": "={\n  \"text\": \"{{$json.message}}\",\n  \"username\": \"AI RAG Documentation Bot\",\n  \"icon_emoji\": \":books:\"\n}"
      },
      "name": "Send Slack Notification",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.1,
      "position": [
        1050,
        300
      ],
      "id": "node-6"
    },
    {
      "parameters": {
        "fromEmail": "noreply@yourdomain.com",
        "toEmail": "your-email@example.com",
        "subject": "=AI RAG Stack - Documentation Update Report",
        "text": "={{$json.message}}",
        "options": {}
      },
      "name": "Send Email Notification",
      "type": "n8n-nodes-base.emailSend",
      "typeVersion": 2,
      "position": [
        1050,
        450
      ],
      "id": "node-7",
      "credentials": {
        "smtp": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "functionCode": "// Log the update event\nconst fs = require('fs');\nconst logFile = '/home/justin/Code/ai-rag-stack/data/update-log.json';\n\nlet logs = [];\ntry {\n  const content = fs.readFileSync(logFile, 'utf8');\n  logs = JSON.parse(content);\n} catch (e) {\n  // File doesn't exist or is invalid, start fresh\n}\n\nlogs.push({\n  timestamp: $json.timestamp,\n  updatedCount: $json.updatedCount || 0,\n  updatedRepos: $json.updatedRepos || [],\n  success: true\n});\n\n// Keep only last 50 entries\nif (logs.length > 50) {\n  logs = logs.slice(-50);\n}\n\nfs.writeFileSync(logFile, JSON.stringify(logs, null, 2));\n\nreturn { json: $json };"
      },
      "name": "Log Update Event",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        1250,
        300
      ],
      "id": "node-8"
    }
  ],
  "connections": {
    "Every Sunday at 2 AM": {
      "main": [
        [
          {
            "node": "Update Documentation",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Update Documentation": {
      "main": [
        [
          {
            "node": "Check if Updates Found",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check if Updates Found": {
      "main": [
        [
          {
            "node": "Format Success Message",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Format No Updates Message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format Success Message": {
      "main": [
        [
          {
            "node": "Send Slack Notification",
            "type": "main",
            "index": 0
          },
          {
            "node": "Send Email Notification",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Format No Updates Message": {
      "main": [
        [
          {
            "node": "Send Slack Notification",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Slack Notification": {
      "main": [
        [
          {
            "node": "Log Update Event",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Send Email Notification": {
      "main": [
        [
          {
            "node": "Log Update Event",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  },
  "staticData": null,
  "tags": [
    {
      "name": "automation",
      "id": "1"
    },
    {
      "name": "documentation",
      "id": "2"
    }
  ],
  "triggerCount": 0,
  "updatedAt": "2025-10-17T00:00:00.000Z",
  "versionId": "1"
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• smtp

About this workflow

Weekly Documentation Update. Uses executeCommand, httpRequest, emailSend. Scheduled trigger; 8 nodes.

Source: https://github.com/jconover/ai-rag-stack/blob/1f9622724b743e78f62757410fc4173fa7c5ad3f/n8n-workflows/weekly-doc-update.json — original creator credit. Request a take-down →

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