Create rails project to deploy on Heroku

macを買って、今すぐherokuでruby1.9.3 + rails3.2しよう！を参考

rbenv-gemset

• rbenv-gemsetのインストール

    $ brew install rbenv-gemset
    ==> Downloading https://github.com/jamis/rbenv-gemset/tarball/v0.3.0
    ######################################################################## 100.0%
    /usr/local/Cellar/rbenv-gemset/0.3.0: 11 files, 48K, built in 2 seconds
  

• gemsetの作成

    $ rbenv gemset create 1.9.3-p125 mygemset
  

• activeなgemset

    $ rbenv gemset active 
    no active gemsets
    $ echo mygemset > .rbenv-gemsets
    $ rbenv gemset active 
    mygemset
  

bundler

• bundlerのインストール

    $ rbenv exec gem install bundler
    Fetching: bundler-1.1.3.gem (100%)
    Successfully installed bundler-1.1.3
    1 gem installed
    Installing ri documentation for bundler-1.1.3...
    Installing RDoc documentation for bundler-1.1.3...
    $ rbenv rehash
  

rails

• プロジェクトのdir作成

    $ mkdir sample
    $ cd sample
  

• Gemfile

    $ cat << EOS > Gemfile
    > source "http://rubygems.org"
    > gem "rails", "3.2.2"
    > EOS> > 
  

• railsのインストール

    $ bundle install --path vendor/bundle
  

• railsプロジェクトの作成

    $ bundle exec rails new .
  

heroku

• 初期設定

    $ bundle exec heroku login
    $ bundle exec heroku keys:add
  

• setup

    $ bundle exec heroku apps:create --stack cedar
    $ bundel exec heroku labs:enable user_env_compile
    $ bundle exec heroku config:add RUBY_VERSION=ruby-1.9.3-p125
  

• deploy

    $ git init
    $ git add -A
    $ git commit -m 'create rails project'
    $ git push heroku master