The is a webservices that allows enterpise to register IOS and Android applications and allow them to send push notification to devices.
(We assume that you have already installed docker or use this how to install docker link)
docker run --name ens-postgres -e POSTGRES_PASSWORD=mysecretpasswor -d postgres
docker-compose up
docker-compose exec web bundle exec rake db:create
docker-compose exec web bundle exec rake db:migrate