Q-Chang assignment

Project Description

This project is assignment of Q-Change interview.

Backend is made with Echo, Golang.

Run application with docker

Make sure docker and docker-compose is configured in your machine.

Run following command

docker-compose build
docker-compose up -d

Run application without docker

To run it without using docker you need to have following installed:

You have to have Golang 1.18 or above.
You have to have postgres up and running for database.

Run backend project

install required packages:
```
go mod tidy
```
Change env file according to your database environment.
Run application. To run it in dev mode:
```
go run main.go
```
If everything goes well and you have set your backend default running port as 8000

Problem 1

Use GET /problem-1 API to get answer of problem 1. For Example:
```
curl -X 'GET' 'localhost:8000/problem-1'
```

Problem 2

Use POST /problem-2 API to get answer of problem 2 by given money of customer and product price. For Example:

curl -X 'POST' \
  'http://localhost:8000/problem-2' \
  -H 'accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "amount": 15,
  "product_price": 10
}'