Architecture Design

This architecture design is subject to change.

Excalidraw link: https://excalidraw.com/#json=JPBApysdZoQE1j0Tm4UBF,WbBCS-GteLqgUDsgkURP0g

• User service —> Handles registration and profile-related to the user
• Authentication service —> Handles login, logout, and forgot password
• Inventory service —> Handles products that a certain store owns
• Cart service —> Handles user's shopping cart, might also handle user's wish list
• Order service —> Checkout system
• Analytics service —> Listen to Kafka/Redpanda for anything, and insert into an OLAP database
• Recommendation service (optional) —> Acquire user's movement from OLAP database over time, and create a product recommendation based on the behavior
• Promotion service —> handles coupons and automatic applied promotion on user's shopping cart
• Image proxy service (optional) —> Convert image from blob storage to some relevant versions (black and white for sold out, etc.)
• Payment service —> Calls third party payment gateway and keep track of payment statuses
• Notification service —> Listen to Kafka/Redpanda "notification" topic to send notification to user via email or mobile push notification
• Shipping service —> Calls third party shipping providers and keep track of shipping statuses
• Merchant service —> An entrypoint for merchant related businesses
• Chat service (optional) —> Chat platform between customer and merchant
• Review service —> Listen to Kafka/Redpanda for finished order, ask for customer review and keep list of user reviews
• Promoted item service (optional) —> Homepage banners & products, might as well handle product advertisement
• Wishlist service (optional) —> self-explanatory

If you would like to amend the architecture, please do not immediately create a pull request for this repository. Instead, please open an Organization Discussion first about the changes.