Docker Service Control via Webhooks

The workflow JSON

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{
  "name": "Docker Service Control via Webhooks",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "service/start",
        "responseMode": "responseNode",
        "options": {}
      },
      "name": "Webhook - Start Service",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "service/stop",
        "responseMode": "responseNode",
        "options": {}
      },
      "name": "Webhook - Stop Service",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        500
      ]
    },
    {
      "parameters": {
        "functionCode": "// Extract service name from webhook body\nconst serviceName = $json.body.service;\nconst validServices = [\n  'salem-kasm-workspace',\n  'salem-librechat',\n  'salem-mongo',\n  'salem-open-webui',\n  'salem-ollama',\n  'salem-browserless',\n  'salem-playwright'\n];\n\nif (!validServices.includes(serviceName)) {\n  throw new Error(`Invalid service: ${serviceName}`);\n}\n\nreturn {\n  json: {\n    service: serviceName,\n    action: 'start'\n  }\n};"
      },
      "name": "Validate Start Request",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        450,
        300
      ]
    },
    {
      "parameters": {
        "functionCode": "// Extract service name from webhook body\nconst serviceName = $json.body.service;\nconst validServices = [\n  'salem-kasm-workspace',\n  'salem-librechat',\n  'salem-mongo',\n  'salem-open-webui',\n  'salem-ollama',\n  'salem-browserless',\n  'salem-playwright'\n];\n\nif (!validServices.includes(serviceName)) {\n  throw new Error(`Invalid service: ${serviceName}`);\n}\n\nreturn {\n  json: {\n    service: serviceName,\n    action: 'stop'\n  }\n};"
      },
      "name": "Validate Stop Request",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        450,
        500
      ]
    },
    {
      "parameters": {
        "command": "docker start {{ $json.service }}"
      },
      "name": "Start Docker Container",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        650,
        300
      ]
    },
    {
      "parameters": {
        "command": "docker stop {{ $json.service }}"
      },
      "name": "Stop Docker Container",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        650,
        500
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ { \"success\": true, \"service\": $json.service, \"action\": \"started\", \"timestamp\": new Date().toISOString() } }}"
      },
      "name": "Respond - Started",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        850,
        300
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={{ { \"success\": true, \"service\": $json.service, \"action\": \"stopped\", \"timestamp\": new Date().toISOString() } }}"
      },
      "name": "Respond - Stopped",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        850,
        500
      ]
    },
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 9 * * 1-5"
            }
          ]
        }
      },
      "name": "Schedule - Start Kasm (9am weekdays)",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [
        250,
        700
      ]
    },
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "cronExpression",
              "expression": "0 18 * * 1-5"
            }
          ]
        }
      },
      "name": "Schedule - Stop Kasm (6pm weekdays)",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [
        250,
        900
      ]
    },
    {
      "parameters": {
        "functionCode": "return {\n  json: {\n    service: 'salem-kasm-workspace',\n    action: 'start'\n  }\n};"
      },
      "name": "Set Kasm Start",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        450,
        700
      ]
    },
    {
      "parameters": {
        "functionCode": "return {\n  json: {\n    service: 'salem-kasm-workspace',\n    action: 'stop'\n  }\n};"
      },
      "name": "Set Kasm Stop",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [
        450,
        900
      ]
    },
    {
      "parameters": {
        "command": "docker start salem-kasm-workspace"
      },
      "name": "Start Kasm (Scheduled)",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        650,
        700
      ]
    },
    {
      "parameters": {
        "command": "docker stop salem-kasm-workspace"
      },
      "name": "Stop Kasm (Scheduled)",
      "type": "n8n-nodes-base.executeCommand",
      "typeVersion": 1,
      "position": [
        650,
        900
      ]
    }
  ],
  "connections": {
    "Webhook - Start Service": {
      "main": [
        [
          {
            "node": "Validate Start Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Webhook - Stop Service": {
      "main": [
        [
          {
            "node": "Validate Stop Request",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Start Request": {
      "main": [
        [
          {
            "node": "Start Docker Container",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Stop Request": {
      "main": [
        [
          {
            "node": "Stop Docker Container",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Start Docker Container": {
      "main": [
        [
          {
            "node": "Respond - Started",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Stop Docker Container": {
      "main": [
        [
          {
            "node": "Respond - Stopped",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule - Start Kasm (9am weekdays)": {
      "main": [
        [
          {
            "node": "Set Kasm Start",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule - Stop Kasm (6pm weekdays)": {
      "main": [
        [
          {
            "node": "Set Kasm Stop",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Kasm Start": {
      "main": [
        [
          {
            "node": "Start Kasm (Scheduled)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Kasm Stop": {
      "main": [
        [
          {
            "node": "Stop Kasm (Scheduled)",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {},
  "staticData": null,
  "tags": [],
  "triggerCount": 0,
  "updatedAt": "2025-01-06T00:00:00.000Z",
  "versionId": "1"
}

About this workflow

Docker Service Control via Webhooks. Uses executeCommand. Webhook trigger; 14 nodes.

Source: https://github.com/Cursedpotential/mcp-tool-platform/blob/4f10dfcfc88553af7b340e4746605894bc377168/n8n-workflows/service-control.json — original creator credit. Request a take-down →

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