A minimalistic sticker purchasing back-end with Express and MongoDB.

• Express.js : A fast and minimalist web framework for Node.js, providing robust features for building web applications.

• MongoDB : A NoSQL database that uses a document-oriented data model, providing flexibility and scalability.

• Mongoose : An elegant MongoDB object modeling tool designed to work in an asynchronous environment.

• Cloudinary: A cloud-based image and video management service, used for storing and managing sticker images.

• Google's OAuth : Google's authentication system, utilized for sending bulk email using gmail .

• JWT (JSON Web Tokens) : A compact, URL-safe means of representing claims between two parties, widely used for authentication.

• Multer : A middleware for handling multipart/form-data, primarily used for file uploads.

• Pug : A template engine for Node.js and browsers, used for rendering dynamic HTML views.

• Docker : A platform for developing, shipping, and running applications in containers, providing isolation and portability.

• Register : Users can register using email..
• Login : Authenticate users.
• Verify Account : Verify user accounts using email.

• Recover Password : Recover password with email.
• Reset Password : Update the password.

• Upload Sticker : Admin can add stickers to the database.
• Get Sticker by ID : Fetch details of a specific sticker.
• Stickers by Tag : Browse stickers by tag.

• Add to Cart : Users can add stickers to their shopping cart.
• Checkout: View the total and initiate the checkout process.
• Verify Payment : Simulate payment verification for a given order.