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setup-production-development.md

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Linode 主機安裝與 Capistrano

update and upgrade system

sudo apt-get update sudo apt-get upgrade

install mysql

sudo apt-get install mysql-server sudo apt-get install libmysqlclient-dev

changing the Time Zone

sudo dpkg-reconfigure tzdata

install Build Tools

sudo apt-get install build-essential zlib1g-dev libssl-dev libreadline5

install ruby

wget ftp://ftp.ruby-lang.org//pub/ruby/1.9/ruby-1.9.2-p320.tar.gz tar zxvf ruby-1.9.2-p320.tar.gz cd ruby-1.9.2-p320 ./configure --prefix=/opt/ruby make sudo make install

set up ruby path for root

echo "export PATH=/opt/ruby/bin:$PATH" >> ~/.bashrc && . ~/.bashrc echo "alias sudo='sudo env PATH=$PATH'" >> ~/.bashrc && . ~/.bashrc source ~/.bashrc

set up ruby path for apps

su apps echo "export PATH=/opt/ruby/bin:$PATH" >> ~/.bashrc && . ~/.bashrc echo "alias sudo='sudo env PATH=$PATH'" >> ~/.bashrc && . ~/.bashrc source ~/.bashrc exit

install Bundler

sudo gem install bundler

install cURL

sudo aptitude install libcurl4-openssl-dev

install XML parser

sudo apt-get install libxml2 libxml2-dev libxslt1-dev

Nokogiri

sudo gem install nokogiri

install node.js

https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager

apt-get install python g++ make mkdir ~/nodejs && cd $_ wget -N http://nodejs.org/dist/node-latest.tar.gz tar xzvf node-latest.tar.gz && cd ls -rd node-v* ./configure make install

install passenger

sudo gem install passenger

install nginx

sudo /opt/ruby/bin/passenger-install-nginx-module

# Choose "download, compile, and install Nginx for me"
# Accept defaults for any other questions it asks you

install imagemagick

sudo apt-get remove imagemagick

sudo apt-get install libperl-dev gcc libjpeg62-dev libbz2-dev libtiff4-dev libwmf-dev zlib1g-dev libpng12-dev libx11-dev libxt-dev libxext-dev libxml2-dev libfreetype6-dev liblcms1-dev libexif-dev perl libjasper-dev libltdl-dev graphviz pkg-config libjpeg-dev

wget ftp://ftp.imagemagick.org/pub/ImageMagick/ImageMagick.tar.gz tar xvfz ImageMagick.tar.gz cd ImageMagick-6.7.8-4/ ./configure make sudo make install

install ldconfig

sudo ldconfig

install rmagick

sudo /opt/ruby/bin/ruby /opt/ruby/bin/gem install rmagick

install git

sudo apt-get install git

setup a script to control Nginx

cd git clone git://github.com/jnstq/rails-nginx-passenger-ubuntu.git sudo mv rails-nginx-passenger-ubuntu/nginx/nginx /etc/init.d/nginx sudo chown root:root /etc/init.d/nginx sudo /etc/init.d/nginx restart

set up nginx.conf

vi /opt/nginx/conf/nginx.conf

insert following codes into the /opt/nginx/conf/nginx.conf

server {
      listen 80;
      server_name my_project.cc;
      root /home/apps/my_project/current/public;
      passenger_enabled on;
    }

create folder for the project

sudo su apps cd ~ mkdir ~/my_project

set up deploy key for apps

ssh-keygen more ~/.ssh/id_rsa.pub pbcopy < ~/.ssh/id_rsa.pub

Add the SSH key to GitHub

# browse https://github.com/rocodev/my_project
# click "Admin"
# click "Deploy keys"
# click "Add deploy key"
# input "Title"
# Paste the key into the "Key" field
# Click "Add key"
# Confirm the action by entering your GitHub password

set up authorized keys for developers

vim /home/apps/.ssh/authorized_keys

Paste the ssh public keys into the "/home/apps/.ssh/authorized_keys" file

set up Capistrano

http://ruby-taiwan.org/wiki/deploy_to_production_practice

vi /home/apps/my_project/shared/config/database.yml.production

production:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: my_project
  pool: 5
  username: root
  password: '1xsedqwdqd'

create "/my_project/Capfile" Paste following codes into the "/my_project/Capfile" file

load 'deploy/assets'
Dir['vendor/gems/*/recipes/*.rb','vendor/plugins/*/recipes/*.rb'].each { |plugin| load(plugin) }
load 'config/deploy' # remove this line to skip loading any of the default tasks
load 'config/deploy/assets'

create "/config/deploy.rb" Paste following codes into the "/config/deploy.rb" file

# -*- encoding : utf-8 -*-
require 'capistrano/ext/multistage'
require 'bundler/capistrano' #Using bundler with Capistrano
require 'cape'

set :stages, %w(staging production)
set :default_stage, "production"


Cape do
  mirror_rake_tasks :dev
end

create /config/deploy/production.rb Paste following codes into the "/config/deploy/production.rb" file

# -*- encoding : utf-8 -*-
default_environment["PATH"] = "/opt/ruby/bin:/usr/local/bin:/usr/bin:/bin"

set :application, "my_project"
set :repository,  "[email protected]:rocodev/my_project.git"
set :deploy_to, "/home/apps/my_project"

set :branch, "master"
set :scm, :git

set :user, "apps"
set :group, "apps"

set :deploy_to, "/home/apps/#{application}"
set :runner, "apps"
set :deploy_via, :remote_cache
set :git_shallow_clone, 1

role :web, "my_project.cc"                          # Your HTTP server, Apache/etc
role :app, "my_project.cc"                         # This may be the same as your `Web` server
role :db,  "my_project.cc"   , :primary => true # This is where Rails migrations will run

set :deploy_env, "production"
set :rails_env, "production"
set :scm_verbose, true
set :use_sudo, false


namespace :deploy do

  desc "Restart passenger process"
  task :restart, :roles => [:web], :except => { :no_release => true } do
    run "touch #{current_path}/tmp/restart.txt"
  end
end


namespace :my_tasks do
  task :symlink, :roles => [:web] do
    run "mkdir -p #{deploy_to}/shared/log"
    run "mkdir -p #{deploy_to}/shared/pids"
    
    symlink_hash = {
      "#{shared_path}/config/database.yml"   => "#{release_path}/config/database.yml",
    }

    symlink_hash.each do |source, target|
      run "ln -sf #{source} #{target}"
    end
  end

end



namespace :remote_rake do
  desc "Run a task on remote servers, ex: cap staging rake:invoke task=cache:clear"
  task :invoke do
    run "cd #{deploy_to}/current; RAILS_ENV=#{rails_env} bundle exec rake #{ENV['task']}"
  end
end

after "deploy:finalize_update", "my_tasks:symlink"

create /config/deploy/assets.rb Paste following codes into the "/config/deploy/assets.rb" file

# -*- encoding : utf-8 -*-

# from https://github.com/AF83/capistrano-af83/blob/master/lib/capistrano/af83/deploy/assets.rb
set :assets_dependencies, %w(app/assets lib/assets vendor/assets Gemfile.lock config/routes.rb)

namespace :deploy do
  namespace :assets do

    desc <<-DESC
      Run the asset precompilation rake task. You can specify the full path \
      to the rake executable by setting the rake variable. You can also \
      specify additional environment variables to pass to rake via the \
      asset_env variable. The defaults are:

        set :rake,      "rake"
        set :rails_env, "production"
        set :asset_env, "RAILS_GROUPS=assets"
        set :assets_dependencies, fetch(:assets_dependencies) + %w(config/locales/js)
    DESC
    task :precompile, :roles => :web, :except => { :no_release => true } do
      from = source.next_revision(current_revision)
      if capture("cd #{latest_release} && #{source.local.log(from)} #{assets_dependencies.join ' '} | wc -l").to_i > 0
        run %Q{cd #{latest_release} && #{rake} RAILS_ENV=#{rails_env} #{asset_env} assets:precompile}
      else
        logger.info "Skipping asset pre-compilation because there were no asset changes"
      end
    end

  end
end

initial deployment

cap deploy:setup

deploy

cap deploy

migrate remote server

cap deploy:migrate