Capistrano、Nginx、Pumaを使用してUbuntu 14.04にRailsアプリをデプロイする

sudo apt-get update

sudo apt-get install curl git-core nginx -y

gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3

curl -sSL https://get.rvm.io | bash -s stable

source ~/.rvm/scripts/rvm
rvm requirements

rvm install 2.2.1
rvm use 2.2.1 --default

gem install rails -V --no-ri --no-rdoc
gem install bundler -V --no-ri --no-rdoc

ssh -T [email protected]
ssh -T [email protected]

ssh-keygen -t rsa

git clone

ssh-keygen -t rsa

cat ~/.ssh/id_rsa.pub | ssh -p  deploy@ 'cat >> ~/.ssh/authorized_keys'

group :development do
   gem 'capistrano',         require: false
   gem 'capistrano-rvm',     require: false
   gem 'capistrano-rails',   require: false
   gem 'capistrano-bundler', require: false
   gem 'capistrano3-puma',   require: false
end

gem 'puma'

bundle

cap install

# Load DSL and Setup Up Stages
require 'capistrano/setup'
require 'capistrano/deploy'

require 'capistrano/rails'
require 'capistrano/bundler'
require 'capistrano/rvm'
require 'capistrano/puma'

# Loads custom tasks from `lib/capistrano/tasks' if you have any defined.
Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }

# Change these
server , port: , roles: [:web, :app, :db], primary: true

set :repo_url,
set :application,
set :user,
set :puma_threads,    [4, 16]
set :puma_workers,    0

# Don't change these unless you know what you're doing
set :pty,             true
set :use_sudo,        false
set :stage,           :production
set :deploy_via,      :remote_cache
set :deploy_to,       "/home/#{fetch(:user)}/apps/#{fetch(:application)}"
set :puma_bind,       "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock"
set :puma_state,      "#{shared_path}/tmp/pids/puma.state"
set :puma_pid,        "#{shared_path}/tmp/pids/puma.pid"
set :puma_access_log, "#{release_path}/log/puma.error.log"
set :puma_error_log,  "#{release_path}/log/puma.access.log"
set :ssh_options,     { forward_agent: true, user: fetch(:user), keys: %w(~/.ssh/id_rsa.pub) }
set :puma_preload_app, true
set :puma_worker_timeout, nil
set :puma_init_active_record, true  # Change to false when not using ActiveRecord

## Defaults:
# set :scm,           :git
# set :branch,        :master
# set :format,        :pretty
# set :log_level,     :debug
# set :keep_releases, 5

## Linked Files & Directories (Default None):
# set :linked_files, %w{config/database.yml}
# set :linked_dirs,  %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system}

namespace :puma do
 desc 'Create Directories for Puma Pids and Socket'
 task :make_dirs do
   on roles(:app) do
     execute "mkdir #{shared_path}/tmp/sockets -p"
     execute "mkdir #{shared_path}/tmp/pids -p"
   end
 end

 before :start, :make_dirs
end

namespace :deploy do
 desc "Make sure local git is in sync with remote."
 task :check_revision do
   on roles(:app) do
     unless `git rev-parse HEAD` == `git rev-parse origin/master`
       puts "WARNING: HEAD is not the same as origin/master"
       puts "Run `git push` to sync changes."
       exit
     end
   end
 end

 desc 'Initial Deploy'
 task :initial do
   on roles(:app) do
     before 'deploy:restart', 'puma:start'
     invoke 'deploy'
   end
 end

 desc 'Restart application'
 task :restart do
   on roles(:app), in: :sequence, wait: 5 do
     invoke 'puma:restart'
   end
 end

 before :starting,     :check_revision
 after  :finishing,    :compile_assets
 after  :finishing,    :cleanup
 after  :finishing,    :restart
end

# ps aux | grep puma    # Get puma pid
# kill -s SIGUSR2 pid   # Restart puma
# kill -s SIGTERM pid   # Stop puma

upstream puma {
 server unix:///home//apps//shared/tmp/sockets/-puma.sock;
}

server {
 listen 80 default_server deferred;
 # server_name example.com;

 root /home//apps//current/public;
 access_log /home//apps//current/log/nginx.access.log;
 error_log /home//apps//current/log/nginx.error.log info;

 location ^~ /assets/ {
   gzip_static on;
   expires max;
   add_header Cache-Control public;
 }

 try_files $uri/index.html $uri @puma;
 location @puma {
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   proxy_set_header Host $http_host;
   proxy_redirect off;

   proxy_pass http://puma;
 }

 error_page 500 502 503 504 /500.html;
 client_max_body_size 10M;
 keepalive_timeout 10;
}

git add -A
git commit -m "Set up Puma, Nginx & Capistrano"
git push origin master

cap production deploy:initial

sudo rm /etc/nginx/sites-enabled/default
sudo ln -nfs "/home//apps//current/config/nginx.conf" "/etc/nginx/sites-enabled/"

sudo service nginx restart

git add -A
git commit -m "Deploy Message"
git push origin master
cap production deploy