Twilio Dev Phone on docker 1. Build the image docker build -t twilio_dev_phone . 2. Run command docker run --rm -it \ -e ACCOUNT_SID='<TWILIO_ACCOUNT_SID>' \ -e AUTH_TOKEN='<TWILIOAUTH_TOKEN>' \ -p 3001:3001 \ twilio_dev_phone 3. Navigate to site Open http://localhost:3001 in your browser References [1] https://www.twilio.com/docs/labs/dev-phone