Source code for https://faucet.egorfine.com.

cd frontend/
npm install
npm run dev

cd backend
npm install
cp .env_example .env

Edit backend/.env. Make sure to put the private key of the faucet address. Then:

cd backend
npm run dev

See contracts/. It's a typical hardhat file structure. Currently used contract is deployed on Ropsten at 0x7917A2F6c13E1e13452F0D52157E5aFaD999D36B.