How to Deploy a 3-Tier Application: DevOps Project

Technologies Used: Jenkins, SonarQube, Docker, Trivy, Amazon EKS, GitHub, Kubernetes.

Harshit Gupta
19 min readAug 15, 2024

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Source: DevOps Shacks

Deploying a 3-tier application is a cornerstone of modern software development, particularly in environments where scalability, security, and efficiency are paramount. Leveraging DevOps practices in this context allows for the creation of a highly automated and consistent deployment pipeline, which is essential for maintaining high standards across the development lifecycle.

Before diving into this blog, I want to mention that I’ve used a bit of help from ChatGPT to organize my thoughts. Given the complexity and length of the content, I thought it would be beneficial to ensure all the critical steps are clearly explained. This blog is based on a DevOps project that I recently completed, focusing on deploying a 3-tier Node.js application. Let’s explore the deployment process together!

What is the 3-Tier Architecture in Application Development?

Before delving into the technical details of deployment, it’s important to understand what a 3-tier architecture entails. This architecture is a common model in web application development and is designed to separate concerns within the application, enhancing both…

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