Ruby: Rails command line (CLI)

This documentation is part of the Learning Ruby guide. You can view the complete guide here: A comprehensive Ruby and Rails guide.

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The Rails command line interface (CLI) is a powerful tool for managing your Rails application. It includes commands for creating new projects, starting the server, accessing the application via the console, and generating various components such as models and controllers. Below are some essential commands every Rails developer should know:

1. Create a new Rails project:

   rails new project_name
   

2. Start the Rails server:

   rails server
   

3. Open the Rails console:

   rails console
   

4. Generate a new controller:

   rails generate controller controller_name action_name
   

5. Generate a new model:

   rails generate model ModelName field:type
   

6. Run database migrations:

   rails db:migrate