LIVE DEMO: https://gomarket.egorgasay.repl.co
docker-compose up -dFlexible model of interaction with the loyalty system. In the example, 10% of each purchase of a product with the letter "B" in the product name is credited. You can change this behavior by adding new mechanics to the accrual service.
POST http://ACCRUAL_ADDRESS/api/goods HTTP/1.1
Content-Type: application/json
{
"match": "Bork",
"reward": 10,
"reward_type": "%"
}