How I Containerized and Deployed a Dynamic Web Application on AWS using Docker & Amazon ECS (Fargate)

As part of my DevOps learning journey, I worked on a hands-on project where I containerized a dynamic web application and deployed it on AWS using Docker and Amazon ECS (Fargate). This project helped me move from theory to real-world cloud implementation, covering networking, security, containerization, and deployment. In this article, I will walk through the exact steps I took. Project Overview The goal was to: Containerize a dynamic web application using Docker Store the image in Amazon ECR Deploy the container using Amazon ECS (Fargate) Use an Application Load Balancer for traffic routing Securely connect to an RDS MySQL database Configure a production-like cloud environment Architecture Overview User → ALB → ECS (Fargate Containers) → RDS (MySQL Database) Supporting services: VPC (Networking) Security Groups (Access control) Secrets Manager (Credentials) ECR (Container registry) Route 53 (DNS) Explanation: The user’s browser sends a request to the domain name, which is resolved by