Deploying a MERN stack project on AWS

Sahil Sachdev
3 min readFeb 17, 2024

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Deploying a MERN (MongoDB, Express.js, React.js, Node.js) stack project on AWS (Amazon Web Services) typically involves setting up infrastructure components such as EC2 instances, MongoDB Atlas or a self-hosted MongoDB instance, and configuring deployment pipelines. Here’s a high-level overview of the steps involved:

Step 1: Prepare Your MERN Stack Project

  1. Codebase: Ensure your MERN stack project is ready for deployment and is stored in a version control system like Git (e.g., GitHub, Bitbucket).
  2. Configuration: Update configuration files (e.g., .env files) to reflect production environment settings such as database connection strings, API endpoints, and security settings.

Step 2: Set Up MongoDB

  1. Choose MongoDB Hosting: You can either use MongoDB Atlas, a fully managed cloud database service, or set up a self-hosted MongoDB instance on an EC2 instance.
  2. MongoDB Atlas: If using MongoDB Atlas, sign up for an account, create a cluster, and configure security settings. Obtain the connection string to use in your application.

Step 3: Set Up Express.js Server

  1. Launch EC2 Instance: Launch an EC2 instance to host your Express.js server. Choose an appropriate instance type, configure security groups to allow inbound traffic on port 80 or 443, and connect to the instance using SSH.
  2. Install Node.js and NPM: Install Node.js and npm on the EC2 instance.
  3. Deploy Express.js Application: Clone your MERN stack project repository onto the EC2 instance, install dependencies, and start the Express.js server. You may use tools like PM2 to manage the Node.js process.

Step 4: Set Up React.js Frontend

  1. Build React.js Application: Build your React.js frontend application using npm run build command.
  2. Serve Static Files: Configure your Express.js server to serve static files from the build directory generated by the React.js build process.

Step 5: Configure Domain and SSL Certificate

  1. Domain Registration: Register a domain name if you haven’t already done so.
  2. Route 53 Configuration: Configure DNS settings in Amazon Route 53 to point your domain to the EC2 instance’s public IP address.
  3. SSL Certificate: Obtain an SSL certificate (e.g., using AWS Certificate Manager) to enable HTTPS for your domain.

Step 6: Continuous Deployment (Optional)

  1. Set Up CI/CD Pipeline: Configure a continuous integration and deployment pipeline using services like AWS CodePipeline, GitHub Actions, or Jenkins to automate the deployment process whenever changes are pushed to your repository.

Step 7: Monitor and Maintain

  1. Monitoring: Set up monitoring and logging using AWS CloudWatch or third-party tools to monitor server health, application performance, and logs.
  2. Backup and Recovery: Implement backup and recovery strategies for your MongoDB database and application data to prevent data loss in case of failures.
  3. Scaling: Monitor server performance and scale resources as needed to handle increased traffic or workload.

By following these steps, you can deploy your MERN stack project on AWS and make it accessible to users over the internet. Make sure to regularly update and maintain your infrastructure to ensure optimal performance and security.

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Sahil Sachdev
Sahil Sachdev

Written by Sahil Sachdev

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Student at masai school ,coder!!!

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