Building a Scalable Web Application on AWS with EC2, ALB, and Auto Scaling using Terraform

📰 Dev.to · Mary Mutua

Learn to build a scalable web application on AWS using EC2, ALB, and Auto Scaling with Terraform

intermediate Published 22 Apr 2026
Action Steps
  1. Create an AWS account and set up an IAM user with necessary permissions
  2. Install Terraform and configure the AWS provider
  3. Build an EC2 instance with Terraform and configure the security group
  4. Create an Application Load Balancer (ALB) and attach it to the EC2 instance
  5. Configure Auto Scaling with Terraform to scale the EC2 instance based on demand
Who Needs to Know This

DevOps engineers and cloud architects can use this tutorial to design and deploy scalable web applications on AWS, ensuring high availability and efficiency

Key Insight

💡 Using Terraform to automate the deployment of AWS resources such as EC2, ALB, and Auto Scaling enables scalable and efficient web applications

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🚀 Build a scalable web app on AWS with EC2, ALB, and Auto Scaling using Terraform! 💻
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