📡 Skill Harbor Server

This is the server-side codebase for Skill Harbor, a full-stack course management platform where users can create, manage, and enroll in professional and skill-development courses.

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🌐 Live Server Deployment

• 🔗 Backend URL: https://skill-harbor-server.vercel.app
• 🔗 Frontend URL: https://skill-harbor-a11th.web.app
• 🧪 Health Check: GET / → Skill Harbor server is cooking up

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📘 Project Description

Skill Harbor Server provides RESTful API endpoints to handle:

• Secure authentication via Firebase Admin
• Token verification for protected routes
• Course creation, editing, deletion
• Course enrollment with seat management
• Enrolled course tracking
• Filtering features like top enrolled & long duration

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✨ Features

• 🔐 Secure Firebase Admin Auth with role verification
• 📦 MongoDB Integration for course/enrollment data
• 👨‍🏫 Instructor Controls – create/update/delete courses
• 👨‍🎓 User Enrollment – enroll/unenroll with seat management
• 📊 Analytics Endpoints – most enrolled, longest duration
• ✅ Input Validation & Error Handling
• 🌍 CORS Enabled with production/frontend whitelisting

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🔁 API Endpoints

Method	Endpoint	Description
GET	/	Server health check
GET	/courses	Get all courses
GET	/latest-course	Get latest 6 courses
GET	/highest-enrolled-courses	Get top 6 most enrolled courses
GET	/long-duration-courses	Get top 6 longest duration courses
GET	/single-course/:id	Get course by ID
GET	/course	Get courses by instructor email (protected)
POST	/courses	Create new course (protected)
PUT	/course/:id	Update course by ID (protected)
DELETE	/single-course/:id	Delete course by ID (protected)

Enrollment Endpoints

Method	Endpoint	Description
POST	/course-order/:id	Enroll or Unenroll user in course (protected)
GET	/course-order/:id	Get enrollment by course ID
GET	/my-enrolled-course	Get all enrolled courses by email (protected)
DELETE	/course-order/:id	Remove enrollment by ID (protected)

🔐 Protected endpoints require Firebase ID token in Authorization header.

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⚙️ Tech Stack

• Runtime: Node.js
• Framework: Express.js
• Database: MongoDB (with MongoDB Atlas)
• Auth: Firebase Admin SDK
• Security: Cookie Parser, CORS, Environment Variables
• Deployment: Vercel

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🚀 Guidelines for running on a local machine

Client setup

git clone https://github.com/mahfuzarrahmanmunna/skill-harbor-server.git
cd skill-harbor-server
npm install
npm run dev

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