What You'll Need n8n Cloud or self-hosted n8n for workflow automation Hetzner VPS or Contabo VPS for hosting PostgreSQL instances DigitalOcean as an alternative cloud provider Namecheap for domain registration (optional) SQLite (built-in to most systems) or PostgreSQL (free, open-source) Table of Contents Understanding the Fundamentals SQLite: Lightweight and Local PostgreSQL: Scalable and Powerful Head-to-Head Comparison Migration Strategies Real-World Use Cases Getting Started Understanding the Fundamentals I've spent the last five years building small projects that started simple and ended up needing serious database muscle. The SQLite vs PostgreSQL decision isn't academic—it's the difference between shipping fast today and refactoring in panic mode six months from now. SQLite is a file-based relational database that lives on your machine. No server, no network calls, no complexity.…