package-calculator

This project is a API for calculation packs to fulfil the order.

Rules for calculation:

Items ordered	Correct number of packs	Incorrect number of packs
1	1 x 250	1 x 500
250	1 x 250	1 x 500
251	1 x 500	2 x 250
501	1 x 500, 1 x 250	1 x 1000 OR 3 x 250
12001	2 x 5000, 1 x 2000, 1 x 250	3 x 5000

by default PACK_SIZES: "5000,2000,1000,500,250" to change the PACK_SIZES, you can change the environment variable PACK_SIZES in docker-compose.yml

To run the project

docker-compose up

Then go to http://localhost

To stop the project

docker-compose down

To run the tests

go test -v ./...