MERN3.0 syllabus · Week 2–3
MongoDB & Mongoose for MERN Developers
MongoDB stores JSON-like documents; Mongoose adds schemas and validation in Node.js. MERN3.0 Week 2 covers Atlas connection, models, create operations, and validation. Week 3 adds file uploads with Multer and full blog CRUD APIs.
From database to REST API
You connect MongoDB Atlas, define Mongoose models, implement create/read/update/delete routes, handle dotenv and scripts, and test with Postman — the pattern behind most MERN backends.
Covered in MERN3.0
- MongoDB Atlas & Mongoose
- Models, validation, CRUD
- Multer file uploads
- Blog API (get, edit, delete)
Go deeper with MERN3.0
This guide is a free overview. MERN3.0 is a 17-week mentor-led full-stack bootcamp — live classes, two portfolio projects, Khalti integration, deployment, certificate, and career support across Nepal.
FAQ
Does MERN3.0 use only MongoDB?
MongoDB is primary in Project 1; Project 2 adds PostgreSQL for relational e-commerce data.
Related MERN guides
Book a free consultation if you are unsure whether MERN3.0 fits your goals.