• I don't have a lot of experience creating docker, so i preferred provding the project on github with manual run.
• In order to activate the google maps feature, I've send the .env file that contains the Google Api key on the mail.

• Node.js: https://nodejs.org/en/
• MongoDB: https://www.mongodb.com/try/download/community

• open cmd
• cd api
• npm install
• node server.js

• add .env to the project with the .env for the REACT_APP_GOOGLE_API_KEY
• open cmd
• cd billing-system
• npm install
• npm start

• customer_id (int) - save only numbers
• first_name (string)
• last_name (string)
• email (string)
• gender_id (int)
• phone (string)

** if phone is relevant for verification or other things, maybe save numbers only as int

• customer_address_id (int)
• customer_id (int)
• city (string)
• street (string)
• phone (string)
• is_primary_address (bool)

** if the location is relevant for future filtering then use code objects for: country, city

• gender_id (int)
• name (string)

• transaction_id (int)
• customer_id (int)
• country (string)
• city (string)
• street (string)
• phone (string)
• total_price (decimal)
• currency_id (int)
• credit_card_id (int)

** some of the customer data may be changed, save only the data relevant for the transaction

• currency_id (int)
• name (string)

• credit_card_id (int)
• credit_card_number (int) - probably will be saved encrypted or on external credit card service provider
• cerdit_card_type_id (int)

• cerdit_card_type_id (int)
• name (string)

• customer_id (int)
• credit_card_id (int)

• Add fitlering to the tables
• Add lazy load / paging to the tables
• Get address from google
• Add Select to the form for gender and credit card type
• Add more validations to the form (phone, email and more)