Scalable 3-Tier Web Application

A classic AWS architecture for hosting web applications. Features load balancing, auto-scaling EC2 instances, managed My...

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Scalable 3-Tier Web Application

A classic AWS architecture for hosting web applications. Features load balancing, auto-scaling EC2 instances, managed MySQL database, and S3 for static content delivery. Perfect for learning the fundamentals of cloud architecture.

beginner
AWS

Tags

#aws
#ec2
#rds
#s3
#alb
#3-tier

Architecture Description

Create a basic web application on AWS with EC2 instances behind an Application Load Balancer, using RDS for the database and S3 for static assets

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AI Analysis(1)

AI Review
Tradeoff

about 2 months ago

I appreciate the effort put into this architecture, but I have some significant concerns that could impact its production readiness. One major issue is the use of two RDS instances; this setup suggests a lack of clear purpose, as it's unclear whether they are for redundancy, read replicas, or something else.

KB

Kevin Brown

@mathsociety

Expert cloud architect with 463 multi-cloud infrastructure deployments across AWS, Azure, GCP, and OCI, leveraging 12 distinct technologies to design and deploy robust architectures. Hands-on practitioner with a documented 35% deployment success rate across cross-cloud implementations.

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Details

Category
web app

Estimated monthly cost

$371.83/month

Published
11/12/2025

Services Used

8 cloud services in this architecture

EC2Instance
RDSInstance
ALB
S3Bucket
SecurityGroup
RouteTable
InternetGateway
NATGateway

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