# Installation and Configuration Guide

Step-by-step instructions for installing, configuring, and setting up the Docker MinIO WHMCS module, including Docker server preparation, n8n workflow setup, WHMCS integration, email templates, and product configuration.

# Basic concepts and requirements

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

>Before you start, it is important to read and familiarize yourself with the following articles at this link:
[https://doc.puq.info/books/docker-modules](https://doc.puq.info/books/docker-modules)

The **WHMCS Docker MinIO module** is part of the **WHMCS Docker module series** developed by **PUQcloud**. This module enables service providers to offer **MinIO Docker containers** as a service to their clients, allowing for seamless automation and integration.

The system consists of three core components:

### WHMCS Module

The **core component**, installed in WHMCS, manages service provisioning and automation from the WHMCS side.

### Debian 12 Server

A server running **Debian 12** with the following pre-installed:
- **Docker** — For container management

We have prepared instructions for installing and configuring Docker:
[https://doc.puq.info/books/docker-modules/page/installing-docker-for-puqcloud-modules](https://doc.puq.info/books/docker-modules/page/installing-docker-for-puqcloud-modules)

### n8n Server

This server facilitates communication between the WHMCS module and the Docker server, ensuring smooth workflow execution.
To explore n8n's full potential, visit the **[official n8n website](https://n8n.io/)** for documentation, tutorials, and community support.

---

## Key Features & Concepts

### Workflow Automation

n8n provides a **graphical workflow builder**, allowing users to automate various tasks, such as:
- **Sending notifications**
- **Configuring firewalls** on external routers
- **Managing DNS settings**
- **Custom automation processes** tailored to specific needs

### Flexibility & Customization

The module offers **personalized settings** and supports **elastic automation**, giving clients full control over their n8n workflows.


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# WHMCS setup (install/update)

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

## System requirements

The module uses ionCube encoding. Your server must meet the following requirements:

| Requirement | Minimum                 |
|-------------|-------------------------|
| PHP | 8.2        |
| WHMCS | 9+ or higher            |
| ionCube Loader | v13 or newer (v14, v15) |

> **Note:** Module is coded with ionCube v13

> To install and update a module, you must perform one and the same action.

---

## Step 1 — Download the latest version of the module

PHP 8.2

```bash
wget http://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/php82/PUQ_WHMCS-Docker-MinIO-latest.zip
```

All versions are available via link: [https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/)

---

## Step 2 — Unzip the archive with the module

```bash
unzip PUQ_WHMCS-Docker-MinIO-latest.zip
```

---

## Step 3 — Copy and Replace

Copy the `puqDockerMinIO` directory from the extracted `PUQ_WHMCS-Docker-MinIO` archive to your WHMCS installation:

```
WHMCS_WEB_DIR/modules/servers/
```

> **Note:** To install and update a module, you must perform one and the same action — download and copy the latest version over the existing files.


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# Preparing Docker Server

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

### To install the Docker server for this module, please follow the instructions at the following link:

[https://doc.puq.info/books/docker-modules/page/installing-docker-for-puqcloud-modules](https://doc.puq.info/books/docker-modules/page/installing-docker-for-puqcloud-modules)


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# Setting up n8n workflow

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

## Overview

The **Docker MinIO 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](https://n8n.partnerlinks.io/o692v7cg297k)

## 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](https://n8n.io/creators/puqcloud/)

### Option 2: Manual Installation

- Each module version comes with a workflow template file.
- You need to manually import this template into your n8n server.

## n8n Workflow API Backend Setup for WHMCS

### Configure API Webhook and SSH Access

- Create a **Basic Auth Credential** for the Webhook API Block in n8n.
- Create an **SSH Credential** for accessing a server with Docker installed.

### Modify Template Parameters

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

- `server_domain` — Must match the domain of the WHMCS 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:

- `screen_left`
- `screen_right`

### 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

### 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.
- The **console** section allows you to add custom parameters to the **server** block in the WEB console proxy server configuration file.
- The **console_location** section contains settings that will be added to the **location /** block of the WEB console proxy server configuration. Here, you can define custom headers and other parameters specific to the root location of WEB console.

### 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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# Add server

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

## Add a new server to the system WHMCS

Navigate to: **System Settings → Servers → Add New Server**

- Enter the correct **Name** and **Hostname**

> **Attention: Important Information**
> The **hostname** field represents the actual domain of the server running Docker and must match the **server_domain** parameter in the **n8n workflow**. If they do not match, communication will not function correctly.
> Additionally, this domain must be configured so that all its subdomains resolve to the IP address of the server running Docker.

---

## Module settings

In the **Server Details** section, select the **"PUQ Docker MinIO"** module and enter the correct **username** and **password** for the **API endpoint** in the n8n workflow.

> Additionally, in the **Access Hash** field, insert the **URL of the API entry point** for the n8n workflow.

![Add server - Module settings](https://doc.puq.info/uploads/images/gallery/2026-03/embedded-image-mwmcfpfl.png)


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# Product Configuration

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

## Add new product to WHMCS

Navigate to: **System Settings → Products/Services → Create a New Product**

In the **Module Settings** section, select the **"PUQ Docker MinIO"** module.

---

## Configuration parameters

| Parameter | Description |
|-----------|-------------|
| **License key** | A pre-purchased license key for the PUQ Docker MinIO module. For the module to work correctly, the key must be active |
| **Disk space (GB)** | Allocated disk space for the Docker container in GB |
| **CPU** | CPU cores allocated for the Docker container (e.g., 0.1, 1, 2) |
| **RAM (GB)** | RAM allocated to the Docker container in GB (e.g., 0.1, 1, 2) |
| **Main domain** | The primary domain for the web interface of the application. If not set, the main domain will be taken from the **hostname** parameter in the server settings |
| **Subdomain** | A personal subdomain assigned to each service. If left empty or if the subdomain is already taken, it will be automatically generated |
| **Link to instruction** | URL to a guide that will be displayed in the client panel if provided |
| **Notification at %** | The percentage threshold for disk space usage that triggers a notification to the client. Set 0 to disable |
| **Notification email template** | The email template for the notification that will be sent when the threshold is reached |

---

## Supported Macros for Subdomain

| Macro | Description |
|-------|-------------|
| `{user_id}` | Client ID |
| `{service_id}` | Service ID |
| `{random_digit_x}` | Random number (x defines the length) |
| `{random_letter_x}` | Random letter (x defines the length) |
| `{unixtime}` | Unix timestamp |
| `{year}` | Year |
| `{month}` | Month |
| `{day}` | Day |
| `{hour}` | Hour |
| `{minute}` | Minute |
| `{second}` | Second |

Default subdomain template: `{user_id}-{service_id}-{second}`

---

![Product configuration](https://doc.puq.info/uploads/images/gallery/2026-03/embedded-image-wlnnzxq2.png)


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# Metric Billing

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

To bill certain metrics separately, you can use the standard WHMCS Metric Billing mechanism.

To configure it, you need to enable the required metrics and set the desired prices. Metrics work based on the standard WHMCS mechanism, the description of which can be found here:

[https://docs.whmcs.com/products/configuration-options/usage-billing/](https://docs.whmcs.com/products/configuration-options/usage-billing/)

The module provides the following metrics:

| Metric | Description |
|--------|-------------|
| **Traffic IN (GB)** | Incoming network traffic in gigabytes |
| **Traffic OUT (GB)** | Outgoing network traffic in gigabytes |

![Metric Billing configuration](https://doc.puq.info/uploads/images/gallery/2026-03/embedded-image-htkjp0qf.png)


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# Email Template (puqDockerMinIO Welcome Email)

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

### Create an email template for customer notifications.

Navigate to: **System Settings → Email Templates → Create New Email Template**

---

## Template configuration

| Parameter | Value |
|-----------|-------|
| **Email Type** | Product/service |
| **Unique Name** | `puqDockerMinIO Welcome Email` |

---

## Email Subject

```
MinIO Order Information
```

---

## Email Body

```html
Dear {$client_name},

Your order has been accepted for implementation.

Product/Service: {$service_product_name}
Payment Method: {$service_payment_method}
Amount: {$service_recurring_amount}
Billing Cycle: {$service_billing_cycle}
Next Due Date: {$service_next_due_date}


The installation and setup of your MinIO instance is in progress.
Within the next 4 minutes, you will be able to use your MinIO instance.

Upon your first login, you will need to create an account.

Here is the link to your MinIO server.

https://console.{$service_domain}/
Thank you for choosing us.

{$signature}
```

---

## Available template variables

| Variable | Description |
|----------|-------------|
| `{$client_name}` | Client full name |
| `{$service_product_name}` | Product/service name |
| `{$service_payment_method}` | Payment method |
| `{$service_recurring_amount}` | Recurring amount |
| `{$service_billing_cycle}` | Billing cycle |
| `{$service_next_due_date}` | Next due date |
| `{$service_domain}` | Service domain |

> **Note:** Standard WHMCS merge fields are also available in this template.


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# Email Template (puqDockerMinIO Update Email)

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

### Create an email template for customer notifications.

Navigate to: **System Settings → Email Templates → Create New Email Template**

---

## Template configuration

| Parameter | Value |
|-----------|-------|
| **Email Type** | Product/service |
| **Unique Name** | `puqDockerMinIO Update Email` |

---

## Email Subject

```
MinIO Update Information
```

---

## Email Body

```html
Dear {$client_name},

Your instance is currently being updated.
You will be able to use your MinIO server again within 3 minutes.

Here is the link to your MinIO server.

https://console.{$service_domain}/
Thank you for choosing us.

{$signature}
```

---

## Available template variables

| Variable | Description |
|----------|-------------|
| `{$client_name}` | Client full name |
| `{$service_domain}` | Service domain |

> **Note:** Standard WHMCS merge fields are also available in this template.


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# Email Template (puqDockerMinIO Notification disk limit)

### Docker MinIO module **[WHMCS](https://puqcloud.com/link.php?id=77)**
#####  [Order now](https://puqcloud.com/whmcs-module-docker-minio.php) | [Download](https://download.puqcloud.com/WHMCS/servers/PUQ_WHMCS-Docker-MinIO/) | [FAQ](https://faq.puqcloud.com/) | [n8n](https://puqcloud.com/link.php?id=117)

### Create an email template for customer notifications.

Navigate to: **System Settings → Email Templates → Create New Email Template**

---

## Template configuration

| Parameter | Value |
|-----------|-------|
| **Email Type** | Product/service |
| **Unique Name** | `puqDockerMinIO Notification disk limit` |

---

## Email Subject

```
Disk space usage {$disk_used_percentage}%
```

---

## Email Body

```html
Dear {$client_name},

We want to inform you that your MinIO service is running low on disk space.
Please take action to prevent service interruptions.

Service Details:

Product/Service: {$service_product_name}
Domain: {$service_domain}
Total Disk Space: {$disk_total}
Used Disk Space: {$disk_used} ({$disk_used_percentage}%)
Consider freeing up space or upgrading your plan if needed.

{$signature}
```

---

## Available template variables

| Variable | Description |
|----------|-------------|
| `{$client_name}` | Client full name |
| `{$service_product_name}` | Product/service name |
| `{$service_domain}` | Service domain |
| `{$disk_total}` | Total disk space |
| `{$disk_used}` | Used disk space |
| `{$disk_used_percentage}` | Used disk space percentage |

> **Note:** Standard WHMCS merge fields are also available in this template.


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