rails app setup steps

database.yml

development:
  adapter: mysql
  encoding: utf8
  database: <dev db name>
  username: root
  password: root123
  host: localhost
  port: 3306    
  socket: /tmp/mysql.sock
 
test:
  adapter: mysql
  encoding: utf8
  database: <test db name>
  username: root
  password: root123
  host: localhost
  port: 3306
  socket: /tmp/mysql.sock
 
# Add sections like production as and when required

Gemfile

source 'https://rubygems.org'
source 'http://gems.github.com'
 
gem "bcrypt-ruby", :require => "bcrypt"
gem "cached_model", '1.3.1'
gem "capistrano", '2.15.4'
gem "daemons", '1.1.9'
gem 'debugger', '1.6.0'
gem 'delayed_job_active_record', '0.4.4'
gem 'hiredis', '0.4.5'
gem "json", '1.8.0'
gem "jquery-rails", '2.2.1'
gem "mysql", '2.8.1'
gem 'newrelic_rpm', '3.6.2.96'
gem 'rails', '3.2.13'
gem "rails_autolink", "1.1.0"
gem 'rake', '10.0.4'
gem 'redis', '3.0.4'
gem "right_aws", '3.0.5'
gem "rmagick", '2.13.2'
gem "rsolr", '1.0.9'
gem 'rvm-capistrano', '1.3.0'
gem 'sass-rails', '3.2.3'
gem "unicorn", '4.6.2'
 
group :development, :test do
  gem "annotate", '2.5.0'
  gem "better_errors", '0.8.0'
  gem "capybara", '2.1.0'
  gem "parallel", '0.6.5'
  gem "quiet_assets", '1.0.2'
  gem "rspec", '2.13.0'
  gem "rspec-rails", '2.13.2'
  gem "thin", '1.5.1'
end
 
group :production do
  gem 'therubyracer', '0.11.4'
  gem "yui-compressor", '0.9.6'
  gem "ZenTest", '4.8.2'
end
 
group :assets do
  gem 'coffee-rails', '~> 3.2.1'
  gem 'sass-rails',   '3.2.3'
end

Steps

## Steps

- Use rvm (http://rvm.io)
- Create ruby (latest) and gemset (for separate rails)
- Use respective ruby and gemset
- install latest rails, as of now, 3.2.13
- create new DB in mysql ( assuming its installed ), name it <dev DB name>
- `rails new app_name`
- change database.yml to attached file
- change gemfile to attached file
- run `bundle install`
- once complete (there might be platform specific errors for few gems), `rails s`
- verify default index page comes
- `rm public/index.html`
- `rails s` should give route error
- all set. make this initial commit