🧩 Week 11 – MongoDB + Mongoose Integration

🎯 Goal: Learn NoSQL database (MongoDB), how to connect it to Express using Mongoose, and build a complete RESTful API.

📚 Daily Breakdown

—

✅ Day 1 – Introduction to MongoDB

🧠 Topics:

• What is MongoDB? NoSQL vs SQL
• Installing MongoDB locally OR using MongoDB Atlas
• Understanding documents, collections, and databases
• MongoDB Compass GUI overview

🛠 Activities:

• Create a sample database called blogDB
• Create a posts collection with 3 documents (title, content)
• Practice CRUD using MongoDB Compass

—

✅ Day 2 – Mongoose Basics

🧠 Topics:

• What is Mongoose and why use it?
• Installing Mongoose via npm
• Defining Mongoose schemas and models
• Connecting Express to MongoDB using Mongoose

🛠 Activities:

• Create a schema for a Post (title, content, date)
• Create and save a document using Mongoose
• Test data creation via Postman

—

✅ Day 3 – MongoDB CRUD via Express API

🧠 Topics:

• Create RESTful endpoints using Mongoose models
• GET: Fetch all posts / Fetch one post
• POST: Add a new post
• PUT/PATCH: Update a post
• DELETE: Delete a post

🛠 Activities:

• Build a Post API with complete CRUD
• Use Postman to test all routes
• Handle error responses (404, 500)

—

✅ Day 4 – Build Blog API (Backend)

🧠 Tasks:

• Create blog schema: title, content, author, tags, date
• Build routes:

• GET /posts (all)
• GET /posts/\:id
• POST /posts
• PUT /posts/\:id
• DELETE /posts/\:id

🛠 Bonus:

• Add validation with Mongoose
• Add slug field using title (e.g. post-title-here)

—

✅ Day 5 – Postman, JSON, and Advanced Mongoose

🧠 Topics:

• Working with Postman collections
• Mongoose validation: required, minlength
• Timestamps, default fields, enum
• Populate, reference other collections

🛠 Activities:

• Add timestamps to blog model
• Create Author model and reference in Post
• Use .populate() to get author details in post response

—

✅ Day 6–7 – Final Project: Blog Backend API

🧠 Tasks:

• Setup full backend REST API using:

• Express
• MongoDB via Mongoose
• CRUD routes
• Models:

• Post
• Author/User
• Comments (optional)

🛠 Bonus:

• Test with Postman collection
• Prepare for integration with React frontend (Week 14)

—

Would you like me to continue with 🧩 Week 12 – React Fundamentals next?