nginx + unicorn + capistrano 를 이용한 배포에 필요한 설정파일들.

database.yml

# SQLite version 3.x
#   gem install sqlite3
#
#   Ensure the SQLite 3 gem is defined in your Gemfile
#   gem 'sqlite3'
development:
  adapter: sqlite3
  database: db/development.sqlite3
  pool: 5
  timeout: 5000

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  adapter: sqlite3
  database: db/test.sqlite3
  pool: 5
  timeout: 5000

#repang_production 부분 수정 필요.
production:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: repang_production
  pool: 5
  username: root
  password:
  host: localhost

deploy.rb

require "bundler/capistrano"
#require "delayed/recipes"
#여기 14.63.*.* 부분 수정 필요.

server "14.63.*.*", :web, :app, :db, primary: true

set :rails_env, "production" #added for delayed job
#여기 repang 부분 수정 필요. 프로젝트 이름으로.
set :application, "repang"
#여기 daul 부분 수정 필요.
set :user, "daul"
set :deploy_to, "/home/#{user}/#{application}"
set :deploy_via, :remote_cache
set :use_sudo, false

set :scm, "git"
#여기 onesup 부분 수정 필요.

set :repository, "[email protected]:onesup/#{application}.git"
set :branch, "master"
#여기의 경로는 gem environment 로 remote의 루비 EXECUTABLE DIRECTORY 확인하면 됨.
set :default_environment, {
      'PATH' => "/home/daul/.rbenv/versions/1.9.3-p392/bin/:$PATH"
    }
default_run_options[:pty] = true
ssh_options[:forward_agent] = true

after "deploy", "deploy:cleanup" # keep only the last 5 releases

# for delayed_job
#after "deploy:stop", "delayed_job:stop"
#after "deploy:start", "delayed_job:start"
#after "deploy:restart", "delayed_job:restart"

namespace :deploy do
  %w[start stop restart].each do |command|
    desc "#{command} unicorn server"
    task command, roles: :app, except: {no_release: true} do
      run "/etc/init.d/unicorn_#{application} #{command}"
    end
  end

  task :setup_config, roles: :app do
    sudo "ln -nfs #{shared_path}/cached-copy/config/nginx.conf /etc/nginx/sites-enabled/#{application}"
    sudo "ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{application}"
    #sudo "rm /etc/nginx/sites-enabled/default"
  end
  after "deploy:setup", "deploy:setup_config"

  desc "Make sure local git is in sync with remote."
  task :check_revision, roles: :web 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
  before "deploy", "deploy:check_revision"
end

nginx.conf

upstream unicorn {
  # 여기 /tmp/unicorn.repang.sock 부분 수정 필요.
  server unix:/tmp/unicorn.repang.sock fail_timeout=0;
}

server {
  listen 80 default deferred;
  # server_name example.com;
	# 여기 /home/daul/repang 부분 수정 필요.
  root /home/daul/repang/current/public;

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

  try_files $uri/index.html $uri @unicorn;
  location @unicorn {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_redirect off;
    proxy_pass http://unicorn;
  }

  error_page 500 502 503 504 /500.html;
  client_max_body_size 4G;
  keepalive_timeout 10;
}

unicorn.rb

#여기 /home/daul/repang/ 부분 수정 필요
root = "/home/daul/repang/current"
working_directory root
pid "#{root}/tmp/pids/unicorn.pid"
stderr_path "#{root}/log/unicorn.err.log"
stdout_path "#{root}/log/unicorn.out.log"
 
# change the YOUR_APP_NAME to your application name
#여기 unicorn.repang.sock 부분 수정 필요
#unicorn.*.sock 이 nginx와 unicorn이 만나는 부분.

listen "/tmp/unicorn.repang.sock"
worker_processes 2
timeout 30

before_exec do |server|
  ENV["BUNDLE_GEMFILE"] = "#{root}/Gemfile"
end

unicorn_init.sh

#!/bin/sh
set -e
 
# Feel free to change any of the following variables for your app:
TIMEOUT=${TIMEOUT-60}

#여기 /home/daul/repang 부분 수정 필요
APP_ROOT=/home/daul/repang/current

#여기 daul 부분 수정 필요
AS_USER=daul

PID=$APP_ROOT/tmp/pids/unicorn.pid
CMD="cd $APP_ROOT; bundle exec unicorn -D -c $APP_ROOT/config/unicorn.rb -E production"

set -u
 
OLD_PIN="$PID.oldbin"
 
sig () {
  test -s "$PID" && kill -$1 `cat $PID`
}
 
oldsig () {
  test -s $OLD_PIN && kill -$1 `cat $OLD_PIN`
}
 
run () {
  if [ "$(id -un)" = "$AS_USER" ]; then
    eval $1
  else
    su -c "$1" - $AS_USER
  fi
}
 
case "$1" in
start)
  sig 0 && echo >&2 "Already running" && exit 0
  run "$CMD"
  ;;
stop)
  sig QUIT && exit 0
  echo >&2 "Not running"
  ;;
force-stop)
  sig TERM && exit 0
  echo >&2 "Not running"
  ;;
#restart|reload)
  #sig HUP && echo reloaded OK && exit 0
  #echo >&2 "Couldn't reload, starting '$CMD' instead"
 # run "$CMD"
 # ;;
 restart|reload)
sig USR2 && echo reloaded OK && exit 0
echo >&2 "Couldn't reload, starting '$CMD' instead"
run "$CMD"
;;
 
upgrade)
  if sig USR2 && sleep 2 && sig 0 && oldsig QUIT
  then
    n=$TIMEOUT
    while test -s $OLD_PIN && test $n -ge 0
    do
      printf '.' && sleep 1 && n=$(( $n - 1 ))
    done
    echo
 
    if test $n -lt 0 && test -s $OLD_PIN
    then
      echo >&2 "$OLD_PIN still exists after $TIMEOUT seconds"
      exit 1
    fi
    exit 0
  fi
  echo >&2 "Couldn't upgrade, starting '$CMD' instead"
  run "$CMD"
  ;;
reopen-logs)
  sig USR1
  ;;
*)
  echo >&2 "Usage: $0 <start|stop|restart|upgrade|force-stop|reopen-logs>"
  exit 1
  ;;
esac