Multi-tenancy is the economic engine of SaaS. Sharing infrastructure across customers reduces cost and simplifies operations. But it introduces a risk that can end your business overnight: tenant data leakage. When one customer can see another customer's data — even accidentally — the consequences are severe. Regulatory fines, contract termination, public disclosure requirements, and irreparable t
TL;DR: I built ChessDada — a free multiplayer chess platform inspired by old Yahoo Chess. No signup, no download, just instant browser-based chess. Built with Node.js, Socket.IO, and chess.js. Modern chess sites are bloated. Chess.com forces you through signup. Lichess defaults to account creation. The "5-second click and play" experience that made Yahoo Chess legendary in the 2000s is essentially
From Prompt to Production: AYW Workflow Case Study How we built a production-ready customer support chatbot in 6 hours (with full understanding, security review, and audit trails). Build a customer support bot that can: Handle 500+ concurrent users Integrate with Zendesk ticketing Support English + Spanish Maintain audit logs for SOC2 compliance Deploy on AWS with auto-scaling Traditional estim
Hey everyone, I shared this earlier as a CLI to analyse npm packages before installing. Since then, I’ve added something I think is even more useful: 👉 You can now scan GitHub repos before cloning or running them npx guard-install --repo https://github.com/user/repo There’s a growing pattern (especially in crypto interviews / side projects): “Clone this repo and run it locally” Some of these rep
Tired of writing the same Socket.io setup every project? 😩 I built quick-socket — install it and get real-time chat working in minutes. npm install quick-socket ## What you get out of the box 📦 ✅ Chat rooms ## Time saved ⏱️ Socket setup → 3 hours becomes 1 minute Room management → 4 hours becomes 1 line Typing indicator → 1 hour becomes 1 line Read receipts → 3 hours becomes 1 line Total sa
Step-by-Step: Migrating from Node.js 21 to Bun 1.2 for Your Backend APIs Why Migrate to Bun 1.2? Bun 1.2 is a modern JavaScript runtime built for speed, offering native TypeScript support, a built-in bundler, test runner, and package manager. Compared to Node.js 21, Bun delivers up to 3x faster startup times, lower memory usage, and seamless compatibility with most Node.js APIs. For b
I run a flower shop in Munich and recently migrated my entire e-commerce setup to Medusa v2. The shop, the One thing that was completely missing: a connection to Lexware Office, which is the most popular accounting software So I built LexBridge - an open-source Medusa v2 plugin that automates the entire invoicing workflow. What it does When a customer places an order, the plugin: Looks up the cust
Power BI is a powerful business analytics service developed by Microsoft that empowers users to visualise data and share interactive dashboards across their organisation. While Power BI can handle data from various sources, its true potential is unleashed when connected to robust data sources like SQL databases. SQL databases—such as PostgreSQL, MySQL, and SQL Server—are the industry standard for