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Senior DevOps Take-Home Test

Overview

This project implements a Database Anti-Corruption Layer REST API using Flask + PostgreSQL, deployed on Kubernetes with a GitOps-style workflow.

Developers can self-service changes by editing the api/config.yaml file (Config-as-Code), which maps REST endpoints to SQL queries and DB column → JSON response fields.

Features

  • Kubernetes deployments for PostgreSQL, API, and local Docker registry.
  • Config-as-Code (api/config.yaml) for API endpoint → SQL mappings.
  • GitOps / CI/CD: Changes to main branch rebuild images and redeploy automatically.
  • Local cluster setup with kind.

File Structure

api/ # Python Flask API

db/ # Database init SQL

k8s/ # Kubernetes manifests

scripts/ # Helper scripts

.github/ # CI/CD workflow

Setup Instructions

1. Start Local K8s Cluster

./scripts/kind-setup.sh

2.Deploy Components

kubectl apply -f k8s/

3.Build & Push API Image

./scripts/push-image.sh

4.Access the APIS

kubectl port-forward svc/api-service -n devops-test 3000:3000

curl http://localhost:3000/users

curl http://localhost:3000/products