Your database shouldn’t care where your files live. Don’t store this in MongoDB: ❌ `https://cdn.example.com/products/123/image.webp` Store the object key: ✅ `products/123/image.webp` Your app can generate the correct URL for local, staging, or production. Same database. Different infrastructure. Zero migration. I wrote a practical guide explaining this architecture and how to design storage properly for your next project. 🔗 GitHub: https://shorturl.at/MOp91