This is written on 10/November/2019
The database is postgres
- rails new rails_app -d=postgresql -T --webpack=react --skip-coffee --skip-active-storage
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-doption is to specify a database-Toption to skip unit test framework, files--webpackto configure javascript frame for webpack bundler here it'sreact--skip-coffeeto skipcoffescript--skip-active-storageto skipactive-storagerelated things.