example.env.txt

// For AWS
REACT_APP_USER_POOL_ID = abc
REACT_APP_APP_CLIENT_ID = abc
REACT_APP_IDENTITY_POOL_ID = abc

// For Firebase Firestore
REACT_APP_API_KEY = abc
REACT_APP_AUTH_DOMAIN = abc
REACT_APP_DATABASE_URL = abc
REACT_APP_PROJECT_ID = abc
REACT_APP_STORAGE_BUCKET = abc
REACT_APP_MESSAGING_SENDER_ID = abc
REACT_APP_APP_ID = abc

// Replace `abc` with respective values