Task 01 :: Devise Lagao

  Devise

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                                                      https://github.com/heartcombo/devise

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gem 'devise'         :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: in gemfile.log

bundle   .......................install    

rails generate devise:install ........................... install

config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }

............in ..config/enviornment /development/.rb

rails generate devise USER .................................... install

rails db:migrate ............................install

before_action :authenticate_user! .................... application_controller.rb

rails g controller home index               ,.............................. in terminal  

root to: 'home#index' ......................... in route.rb

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01:         gem 'devise'    -  In gemfile.log

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02:     $ bundle install   -  run the Command at Terminal

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03:     $ rails generate devise:install  - run the Command at Terminal

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04:    config/environments/development.rb

    config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }

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05:   $ rails generate devise USER   ::::  run the Command at Terminal

                        rails db:migrate

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06: In Rails Controller : application_controller.rb  -  at other places it can give error.

                   before_action :authenticate_user

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07:  $ rails generate devise:views

...............................................................................................................................................................................................08: 08  $ rails generate devise:views users