Why I Built a Custom E-Commerce Platform for My Store using Angular & Firebase

When running a digital Shop, your storefront is your first impression. While platforms like Shopify or WooCommerce are great for standard retail, selling digital solutions, custom software packages, and retainers often require a highly tailored checkout flow. Instead of fighting against the constraints of off-the-shelf website builders, I decided to build the Duncan Digital Solutions e-commerce platform entirely from scratch. Because this is the proprietary engine running my live business, the GitHub repository remains private. However, I want to pull back the curtain and share the architectural decisions, NoSQL data modeling, and security protocols I used to build a lightning-fast, serverless storefront using Angular and Firebase . The Tech Stack To ensure the platform was cost-effective, highly scalable, and real-time, I went with a fully serverless architecture: Frontend: Angular (utilizing Signals for reactive state management) Authentication: Firebase Auth (Google & Email/Password