Group Project: WQD7008 - Service Oriented Architecture (SOA)

Banking System

• Demo of 3 backend web services such as balance checking, perform transfers of monies from their bank account to transferor's and calculate monthly repayments for car loan.

Team Members

• WQD180041 - MUHAMMAD HAFIZ BIN KHAIRUDIN
• WQD190039 - JONATHAN KOW YEE SENG
• WQD170100 - SYAIFUL ANUAR BIN ABD LATIF
• WQD180027 - LIM SHIEN LONG

Application Architecture

• Microservices are isolated using Docker and orchestrated using Docker Compose
• Each service has a webserver on a dedicated port in localhost
• 3 web services are written in Go (https://golang.org/) - Backend
• 1 client service is written in JavaScript - Frontend

Application Features

User can check balance

• User will be able to check their account balance from their 'Savings Account'
• User even display user's unique ID

User can transfer money from their balance

• User will input his/her bank account, transferee's bank account, and transfer amount.
• The program will calculate if the transferor's balance is sufficient to transfer.
• If not, the program will abort the request; whereas, if yes, the transfer will succeed
• The balance amount of transferor will be deducted and the balance amount of transferee will be added with the amount of transfer.

User can calculate loan

• User will be able to calculate monthly car loan payments required.
• Input parameters are: Car price, downpayment, loan period (years), interest rate.
• Output parameter: Monthly payment.
• The car loan calculation formula:
  • (((carprice - downpayment) * (interest / 100) * periodyear) + (carprice - downpayment))/(periodyear * 12)

Client Service (Frontend)

Microservices Orchestration using Docker

Home Page

Balance Page

Transfer Page

Loan Page