How to build the best 3-tier architecture on Amazon Web Services (AWS)

2 min readMar 15, 2023

│Presentation Layer (ELB) │

│Application Layer (EC2) │

│Data Layer (RDS) │

To create a 3-tier architecture on AWS, you should follow these steps:

Step 1:

Determine the layers: First, decide on the layers for your architecture. A typical 3-tier architecture includes a presentation layer, an application layer, and a data layer.

Step 2:

Choose the services: AWS offers a range of services that can be used for each layer. For example, you can use EC2 instances for the application layer, RDS for the data layer, and Elastic Load Balancing for the presentation layer.

Step 3:

Set up the presentation layer: In this layer, you will set up a load balancer that will distribute traffic to the EC2 instances running your application.

Step 4:

Set up the application layer: This layer will consist of EC2 instances running your application. You can use an Auto Scaling group to automatically add or remove instances based on traffic.

Step 5:

Set up the data layer: In this layer, you will set up your database using RDS. You can choose from a variety of database engines such as MySQL, PostgreSQL, or SQL Server.

Step 6:

Configure security: It’s important to configure security settings for your architecture to ensure that your data and applications are secure. You can use security groups, network ACLs, and IAM to set up security.

Step 7:

Test and deploy: Once you have set up your architecture, you should test it thoroughly to make sure it is functioning as expected. You can then deploy your application and start using it.

Step 8:

Monitor and optimize: Finally, you should monitor your architecture and optimize it as needed to ensure that it is running efficiently and effectively. You can use tools like CloudWatch and AWS Trusted Advisor to monitor and optimize your architecture.


By following these steps, you can create a 3-tier architecture on AWS that is secure, scalable, and reliable.




AWS & DevOps Architect | Linux, Docker, Kubernetes, Terraform, Jenkins, Git&GitHub, Ansible expert