RAILS3 APPLICATION DEVELOPMENT STEPS

RAILS3 APPLICATION DEVELOPMENT STEPS

Step1: choose your rvm version and related gemset by issue below command.

$rvm use [rvmname]@[gemsetname]

ex: $rvm use 1.9.3@fb

then, your application going to use ruby 1.9.3 with gemset fb

Step 2: create a new application.

$rails new [appln name]

ex:$rails new myapp

Step3: uncomment line  NO 18 in myapp/Gemfile (gem 'therubyracer', :platforms => :ruby)

Step4: install the bundle

$bundle install

it will install all the gems specified in the gemfile.

Step5:run the server

$rails s (run with default port number 3000)

(or)

$rails s -p [portnumber]

Ex: $rails s -p 4000 (run with port 4000 )

 

Step 6: go to browser try to open localhost:3000

it will show fallowing output:

 

Step 7: Remove  myapp/public/index.html.erb page.

Step 8: create your own models/controllers using below commands.

• To generate models,controller and views.

        $rails g scaffold [modelname singulur]

• To generate only controller.

        $rails g controller [contollername] 

• to generate only model. 

        $rails g model [modelname]
Ex: $rails g scaffold home

Step 8: add below line to myapp/config/routes.rb file.

$root :to => 'home#index'

Step 10: run your application on browser myapp/views/home/index is your home page.

Happy Reading...........:-)