MongoDB Document Trigger

It demonstrates the implementation of MongoDB change streams and triggers to create an audit logging system for tracking changes to database collections.

Installation Steps

1. Clone the repository

   git clone https://github.com/sujeethshingade/mongodb-document-trigger.git
   cd mongodb-document-trigger

2. Install dependencies

   npm install
   # or
   yarn install

3. Set up environment variables Create a .env.local file in the root directory with:

   MONGODB_URI=your_mongodb_connection_string
   

4. Run the development server

   npm run dev
   # or
   yarn dev

5. Access the application Open http://localhost:3000 in your browser

MongoDB Change Stream Configuration

• Pre/Post Image Retention: Default retention period - 3 days (259,200 seconds)

• Full Document: Captures the complete state of documents after changes

• Document Preimage: Captures the document state before changes

• Auto-resume: Automatically resumes change streams if interrupted

• Event Ordering: Maintains consistent ordering of change events