Deploying the Modernized 3-Tier Application on Kubernetes In the previous parts of this series we: In this final part we deploy the application on Kubernetes, recreating the original architecture using Kubernetes primitives. The key goal is to demonstrate how a traditional architecture can move to Kubernetes without rewriting the application… Read More

Preparing the Application for Kubernetes In the previous article, I completed an important milestone in the modernization journey of my demo application. The entire stack can now run using Docker Compose, including: At this point the application is fully containerized and reproducible. Running the system locally requires only a single… Read More

Running the Application with Docker Compose In the previous article, I containerized the main components of my VM-based 3-tier application by creating Docker images for the Flask application and the FastAPI backend. At that point, the services were packaged, but they were still isolated. The next step was to run… Read More