Deploying a Node.js Application to AWS Elastic Beanstalk

Introduction

Deploying a Node.js application is one thing — deploying it reliably, securely, and at scale is another. As applications grow beyond local development, developers often face challenges around server configuration, environment management, scalability, and deployment automation.

AWS Elastic Beanstalk simplifies this process by abstracting much of the infrastructure complexity while still giving developers control over their application environment. With built-in support for Node.js, Elastic Beanstalk allows you to focus on writing code while AWS handles provisioning, load balancing, scaling, and monitoring behind the scenes.

In this article, we’ll walk through a practical, step-by-step guide to deploying a Node.js application to AWS Elastic Beanstalk. Whether you’re transitioning from local development or looking to standardize your deployment workflow, this guide will help you understand the deployment process, common pitfalls, and best practices for running Node.js applications in production on AWS.

Step 1: Log in to your AWS Management Console.

Step 2: In the search bar, type Elastic Beanstalk and select it from the services list.

Step 3: Navigate to Environments, then click Create Environment to begin the setup process.

Step 4: Select a web server environment and enter an application name (for example, officeApp).

Step 5: The environment name will be populated automatically. Select the platform in this case, choose Node.js since the application is built with Node.js. All other settings, including the **platform branch and platform settings, will be populated by default.

Step 6: Select the Sample application, choose Single instance under configuration, and then click Next.

Step 7: Configure Service Access

• For the Service Role, select Create role if no existing role is available.
• During the role creation process, leave all configuration parameters at their default values.
• Proceed by clicking Next on both the Select trusted entity and Add permissions steps.
• Update the Role name to a unique and descriptive identifier.
• Complete the process by clicking Create role.

Just as the previous, For EC2 instance profile select Create role if no existing role is available.

• During the role creation process, leave all configuration parameters at their default values.
• Proceed by clicking Next on both the Select trusted entity and Add permissions steps
• Update the Role name to a unique and descriptive identifier.
• Complete the process by clicking Create role.

For the EC2 Key Pair, locate the service using the AWS Management Console search bar.

• Create a new key pair by providing a unique and descriptive name.
• Leave all other configuration options at their default settings.
• Complete the process by selecting Create key pair.

Click** Next** on Configure service page afterwards.

Step 8: Set up networking, database, and tags

• Select the default VPC from the available options in the dropdown menu.
• Enable **Public IP address assignment **for the instances.
• From the Instance Subnet options, select any available subnet.
• Leave all remaining parameters at their default values, then click Next to proceed.

Step 9: Configure instance traffic and scaling

Select an existing EC2 Security Group from the dropdown list.
Leave all other configuration parameters at their default values, then click Next to continue.

Step 10: Configure updates, monitoring, and logging

Select the appropriate CloudWatch metrics instance and the corresponding CloudWatch metrics environment from their respective fields simultaneously
Leave all other configuration parameters at their default values, then click Next to continue.

Now review the entire steps and click create.

Once the Environment is successfully lunched and the health status shows green and OK. Click the URL link listed for Domain to browse your application.

To access the E*lastic Beanstalk–managed EC2 instance shell, navigate to **Amazon Elastic Compute Cloud (EC2)* and select the relevant Instance ID.

From the Instance Overview page, click Connect, then select Connect again to initiate an in-browser SSH session.

Conclusion

In this project, we successfully deployed a Node.js application to AWS Elastic Beanstalk using a structured and repeatable approach. By leveraging Elastic Beanstalk, we were able to abstract away much of the underlying infrastructure complexity while still maintaining control over critical configuration options such as networking, security, scaling, and monitoring.

Throughout the deployment process, we configured service access roles, networking and subnets, instance settings, and CloudWatch monitoring, ensuring the environment was production-ready. Once the environment was launched and its health status turned green, accessing the application through the provided domain confirmed a successful deployment.

AWS Elastic Beanstalk proves to be a powerful platform for developers who want to deploy Node.js applications quickly without managing servers manually. It offers a balance between simplicity and flexibility, making it ideal for both beginners and experienced developers. With this foundation in place, you can now extend the deployment by integrating CI/CD pipelines, custom domains, HTTPS, environment variables, and scaling policies to support real-world production workloads.