process.env references (scan)
Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.
API_KEY
secret
FIREBASE_API_KEY
secret
FIREBASE_APP_ID
FIREBASE_AUTH_DOMAIN
FIREBASE_MEASUREMENT_ID
FIREBASE_MESSAGING_SENDER_ID
FIREBASE_PROJECT_ID
FIREBASE_STORAGE_BUCKET
REACT_APP_GOOGLE_MAPS_API_KEY
secret