About

Demo Credit is a mobile lending app that requires wallet functionality. This is needed as borrowers need a wallet to receive the loans they have been granted and also send the money for repayments built with Node js, Express, TypeScript and Mysql

It has the following functionalities

• A user can create an account
• A user can fund their account
• A user can transfer funds to another user’s account

ER diagram

Installation

• Clone this repo

  git clone https://github.com/olad5/demo-credit.git

Running the project

1. Install and start Docker if you haven't already.
2. Copy the .env template file. Input the passwords and app secrets.

cp .env.sample .env

3. Build and run the image to run the backend services.

docker compose up --build

4. Run migrations

  npx knex migrate:latest --knexfile=src/shared/infra/database/knex/knexfile.ts 

5. Seed database

  npx knex seed:run  --knexfile=src/shared/infra/database/knex/knexfile.ts  

You can visit the app by going to http://localhost:5300.

Run unit tests

  npm run test:unit

Built with

Backend

• Mysql - Database
• Knex js - The Query Builder for Node.js
• Objection js - The ORM for Node.js
• Express.js - Lightweight webserver
• Redis - For holding onto JWT tokens and refresh tokens