Managing a subdomain system in Node.js

Managing a subdomain system in Node.js and MongoDB involves handling the creation, configuration, and management of subdomains dynamically within your application. Here’s an outline of the steps you can follow to implement a subdomain management system:

1. Database Schema: Design a MongoDB schema to store subdomain-related information, such as subdomain name, associated user, settings, and any additional data you require.

It will take two databases

  • Product (main)
  • Sub-domain (client)

Connect db and load model with db name like that …

Example-:

const Mongoose = require("mongoose");
const objectId = Mongoose.Types.ObjectId;
const clientModel = require('../../models/product/client');


module.exports.checkCompanyUserEmailExist = async (email, dbName)=> {
   return await clientModel.getCollection(dbName).findOne({ email:email});
}

2.  Models-: Model will be divided into 2 part and load model like this …

Product (main)
const clientModel = require('../../models/product/client');


Subdomain (client)
const userModel = require('../../models/sub-domain/user');

3.  Subdomain Creation: Allow authorised users to create subdomains through a signup form or an API endpoint. Upon subdomain creation, store the necessary data in your MongoDB subdomain collection and product collection so that you can identify and create dynamic db with sub-domain name and execute migration and seeds at the time of signup.

4. Dynamic Routing: Implement dynamic routing to handle incoming requests for  subdomains. You can achieve this by configuring wildcard DNS records and handling subdomain-based routing within your Node.js application.

5. Middleware for Subdomain Routing: Create a middleware function that extracts the subdomain from the request URL and sets it as a variable for further processing.

Nginx -:
Setup the nginx file (sudo nano /etc/nginx/site-available/default )
server_name pointprocessor.com *.pointprocessor.com;

Hosts -:
Add host data in the file name (sudo nano /etc/host ) (for local use only). Web will be open like this pointprocessor.com or c1.pointprocessor.com …
127.0.0.1  pointprocessor.com c1.pointprocessor.com c2.pointprocessor.com c3.pointprocessor.com c4.pointprocessor.com c5.pointprocessor.com 

6. DNS Configuration: Guide users on configuring their DNS records to point the subdomain to your server’s IP address. This step is typically performed outside of your application but is crucial for proper subdomain resolution.

7. Error Handling and Default Routes: Implement error handling for invalid or non-existent subdomains and create default routes or landing pages for cases where the subdomain is not found.

8. Subdomain Deletion: Allow users to delete their subdomains if needed. Ensure appropriate data cleanup and handle any associated content removal or user disassociation.

By following these steps, you can create a system that enables users to create, manage, and customize their subdomains within your Node.js and MongoDB application. Remember to implement proper security measures, such as user authentication and authorization, to ensure the system’s integrity and protect user data.