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Deploy docker Grafana, API backend for WHMCS/WISECP

PUQcloudPUQcloud
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2/3/2026
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Setting up n8n workflow

Overview

The Docker Grafana WHMCS module uses a specially designed workflow for n8n to automate deployment processes. The workflow provides an API interface for the module, receives specific commands, and connects via SSH to a server with Docker installed to perform predefined actions.

Prerequisites

  • You must have your own n8n server.
  • Alternatively, you can use the official n8n cloud installations available at: n8n Official Site

Installation Steps

Install the Required Workflow on n8n

You have two options:

Option 1: Use the Latest Version from the n8n Marketplace

  • The latest workflow templates for our modules are available on the official n8n marketplace.
  • Visit our profile to access all available templates: PUQcloud on n8n

Option 2: Manual Installation

  • Each module version comes with a workflow template file.
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  • You need to manually import this template into your n8n server.
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n8n Workflow API Backend Setup for WHMCS/WISECP

Configure API Webhook and SSH Access

  • Create a Basic Auth Credential for the Webhook API Block in n8n.
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  • Create an SSH Credential for accessing a server with Docker installed.
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Modify Template Parameters

In the Parameters block of the template, update the following settings:

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  • server_domain – Must match the domain of the WHMCS/WISECP Docker server.
  • clients_dir – Directory where user data related to Docker and disks will be stored.
  • mount_dir – Default mount point for the container disk (recommended not to change).

Do not modify the following technical parameters:

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Deploy-docker-compose

In the Deploy-docker-compose element, you have the ability to modify the Docker Compose configuration, which will be generated in the following scenarios:

  • When the service is created
  • When the service is unlocked
  • When the service is updated

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nginx

In the nginx element, you can modify the configuration parameters of the web interface proxy server.

  • The main section allows you to add custom parameters to the server block in the proxy server configuration file.
  • The main_location section contains settings that will be added to the location / block of the proxy server configuration. Here, you can define custom headers and other parameters specific to the root location.

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Bash Scripts

Management of Docker containers and all related procedures on the server is carried out by executing Bash scripts generated in n8n. These scripts return either a JSON response or a string.

  • All scripts are located in elements directly connected to the SSH element.
  • You have full control over any script and can modify or execute it as needed.

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n8n Docker Container Deployment Workflow

This n8n workflow provides a robust and flexible system for deploying Docker containers based on incoming webhook requests. It allows for conditional logic to determine the deployment action, customizes environment variables, and executes SSH commands on a remote server.

What it does

This workflow automates the following steps:

  1. Listens for Webhook Requests: It starts by waiting for an incoming HTTP POST request to a defined webhook URL.
  2. Initial Data Transformation: It processes the incoming webhook data to prepare it for subsequent logic.
  3. Conditional Routing (If Node): It evaluates the processed data using an "If" node to determine the next course of action. This could be based on specific payload values, headers, or query parameters.
  4. Conditional Routing (Switch Node): Further refines the routing based on multiple possible conditions, allowing for different deployment scenarios or actions depending on the input.
  5. Environment Variable Preparation: For specific conditions, it uses a "Set" node to define or modify environment variables or other data points required for the deployment.
  6. Custom Code Execution: It includes a "Code" node, which allows for custom JavaScript logic to be executed. This can be used for complex data manipulation, validation, or generating dynamic commands.
  7. Remote SSH Command Execution: It connects to a remote server via SSH and executes commands. This is typically where the Docker deployment commands (e.g., docker pull, docker run, docker-compose up) would be performed.
  8. Responds to Webhook: After processing, it sends a response back to the original webhook caller, indicating the status or outcome of the deployment attempt.
  9. Sticky Note: Includes a sticky note for internal documentation or reminders within the workflow.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running n8n instance to host the workflow.
  • Webhook Caller: An external system or application that can send HTTP POST requests to the n8n webhook URL.
  • SSH Access: Credentials (host, username, private key/password) for an SSH server where Docker containers will be deployed.
  • Docker/Docker Compose: Docker and potentially Docker Compose installed on the target SSH server.
  • Understanding of JSON: Familiarity with JSON data structures for configuring webhook payloads and data transformations.

Setup/Usage

  1. Import the Workflow:
    • Copy the provided JSON workflow definition.
    • In your n8n instance, go to "Workflows" and click "New".
    • Click the "Import from JSON" button and paste the copied JSON.
  2. Configure the Webhook Trigger:
    • Locate the "Webhook" node (ID: 47).
    • Set the "HTTP Method" to POST.
    • Copy the "Webhook URL" provided by n8n. This is the endpoint your external system will call.
  3. Configure SSH Credentials:
    • Locate the "SSH" node (ID: 490).
    • Click on "Credentials" and add a new SSH credential.
    • Provide the SSH Host, Username, and either a Private Key or Password for authentication to your deployment server.
    • Specify the SSH commands to be executed for your Docker deployment. These commands will likely vary based on your specific application and Docker setup (e.g., cd /path/to/app && docker-compose pull && docker-compose up -d).
  4. Configure Conditional Logic (If & Switch Nodes):
    • Review the "If" node (ID: 20) and "Switch" node (ID: 112).
    • Adjust the conditions based on the expected payload from your webhook. For example, you might check for a specific event_type or repository_name in the incoming JSON.
    • Define the different branches for true/false in the "If" node and various "Cases" in the "Switch" node to handle different deployment scenarios.
  5. Customize Data Transformations (Edit Fields & Code Nodes):
    • Modify the "Edit Fields" (Set) node (ID: 38) to extract, rename, or add data points from the incoming webhook payload that are relevant to your deployment.
    • Adjust the "Code" node (ID: 834) to implement any custom logic, such as dynamically generating Docker image tags, filtering data, or performing complex validation.
  6. Configure Webhook Response:
    • Review the "Respond to Webhook" node (ID: 535).
    • Customize the response body and status code to provide meaningful feedback to the system that triggered the webhook.
  7. Activate the Workflow:
    • Once configured, save the workflow and activate it by toggling the "Active" switch in the top right corner of the n8n editor.

Your workflow is now ready to receive webhook requests and automate your Docker container deployments.

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