[RUBY] How to create an application

    1. Creating an application rails new sample_app (database name) -d mysql

  2. Fix GemFile gem 'bootsnap', '1.4.5', require: false

  3. Enter the Mysql password in the Database.yml file

  4. Go to Rails application cd sample_app

  5. Database creation rails db:create

$ rails db:create rails aborted! Errno::ENOENT: No such file or directory - bs_fetch:open_current_file:open bin/rails:4:in `

' (See full trace by running task with --trace)

↑ If this comes out

  1. Corrected the following notation in GemFile gem 'bootsnap', '1.4.5' , require: false
  2. Delete the file that says bootsnap under tmp/cache / 3.bundle install

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