API development Case study
A production-ready API and deployment platform rebuilt from a proof of concept.
The brief
The proof of concept had to become a production backend without turning infrastructure cost into a product constraint.
VanUse had a .NET and SQL Server proof of concept that needed to become a dependable backend for new web and mobile products.
The work rebuilt the API around Python, Django and PostgreSQL, then shaped a deployment model that could change as the product matured.
The system
Redesign the proof of concept as a Python and Django API backed by PostgreSQL.
Support the React web application and Flutter mobile application from one production API.
Standardise with Docker, then move to physical K3s servers managed through Ansible and Terraform.
The intervention
The original .NET and Microsoft SQL Server proof of concept was redesigned as a Python and Django backend using PostgreSQL.
The backend and API were rebuilt to support a new React web application and a Flutter mobile application, along with the additional features required for production use.
Development and production environments were containerised with Docker. The first deployment used Azure and Azure Kubernetes Service.
The platform was later moved to physical servers running K3s for substantial cost savings, with Ansible and Terraform managing servers and deployments.
The result