.env.example
Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.
FIREBASE_API_KEY
secret
FIREBASE_AUTH_DOMAIN
FIREBASE_DATABASE_URL
secret
FIREBASE_PROJECT_ID
FIREBASE_STORAGE_BUCKET
FIREBASE_APP_ID
FIREBASE_MESSAGING_SENDER_ID
FIREBASE_TENANT_ID
FIREBASE_MEASUREMENT_ID