installed ruby and then rails but unable to start local server successfully

how to address this:92:depot tesfaye$ rails server
=> Booting Puma
=> Rails 6.1.1 application starting in development
=> Run bin/rails server --help for more startup options
Exiting
/Users/tesfaye/.rvm/gems/ruby-2.2.2/gems/webpacker-5.2.1/lib/webpacker/configuration.rb:99:in `rescue in load': Webpacker configuration file not found /Users/tesfaye/work/depot/config/webpacker.yml. Please run rails webpacker:install Error: No such file or directory @ rb_sysopen - /Users/tesfaye/work/depot/config/webpacker.yml (RuntimeError)