Sharing homemade food / Vending machine

The vending machine can share a homemade food. So, It can reduce food waste of leftover food at home. The seller uploaded a picture of homemade food, price, food material and created date at app. Then touch the card to the card reader and put the food in the vending machine box. The card contains a Health certificate and personal information. On the other hand, Buyers use the app for check information of food. Then they can pay by touching on the vending machine by credit card. If they pay a deposit, it can use the vending machine box like as a table. If they put it back in place, it can get money back through credit card.