TommyBlue.it

require "bundler/capistrano"
require "capistrano-rbenv"
set :rbenv_ruby_version, "2.0.0-p247"

set :user, "server_username"
set :application, "my_app"
set :deploy_to, "/home/#{user}/apps/#{application}"
set :deploy_via, :remote_cache

set :use_sudo, false
set :scm, :git
set :repository,  "your_app_git_repo"

default_run_options[:pty] = true
set :ssh_options, { forward_agent: true }

server "my_server.my_domain", :web, :app, :db, primary: true

set :branch, "master"
set :rails_env, "production"

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

# Daemontools start/stop
namespace :deploy do
  %w[start stop restart].each do |command|
    desc "#{command} unicorn server"
    task command, roles: :app, except: {no_release: true} do
      if command == "start"
        sudo "/usr/bin/svc -u /etc/service/my_app"
      elsif command == "stop"
        sudo "/usr/bin/svc -d /etc/service/my_app"
      else
        sudo "/usr/bin/svc -t /etc/service/my_app"
      end
    end
  end

  task :setup_config, roles: :app do
    run "mkdir -p #{shared_path}/config"
  end
  after "deploy:setup", "deploy:setup_config"

  task :symlink_config, roles: :app do
    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml"
  end
  after "deploy:finalize_update", "deploy:symlink_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/#{branch}`
      puts "WARNING: HEAD is not the same as origin/#{branch}"
      puts "Run `git push` to sync changes."
      exit
    end
  end
  before "deploy", "deploy:check_revision"
end

worker_processes 2
working_directory "/home/my_user/apps/my_app/current" # available in 0.94.0+
listen "/home/my_user/apps/my_app/shared/sockets/my_app.sock", :backlog => 64
timeout 30
pid "/home/my_user/apps/my_app/shared/pids/unicorn.pid"
stderr_path "/home/my_user/apps/my_app/shared/log/unicorn.stderr.log"
stdout_path "/home/my_user/apps/my_app/shared/log/unicorn.stdout.log"

preload_app true
GC.respond_to?(:copy_on_write_friendly=) and
  GC.copy_on_write_friendly = true

before_fork do |server, worker|
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.connection.disconnect!
end

after_fork do |server, worker|
  defined?(ActiveRecord::Base) and
    ActiveRecord::Base.establish_connection
end

#!/bin/bash

exec su - my_user -c '/home/my_user/service/load_my_app.sh bundle exec unicorn_rails -E production -c /home/my_user/apps/my_app/shared/config/unicorn.rb'
# If you want to launch unicorn manually use te line below instead of the line above (use sudo!). Useful for debugging
# exec su - my_user -c '/home/my_user/service/load_my_app.sh bundle exec unicorn_rails -E production -l /home/my_user/apps/my_app/shared/sockets/my_app.sock'

#!/bin/bash

export RAILS_ENV="production"
export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"
cd /home/my_user/apps/my_app/current/
exec $@

upstream backend_my_app {
  server unix:/home/my_user/apps/my_app/shared/sockets/my_app.sock fail_timeout=0;
}

server {
	listen [::]:80;

  client_max_body_size 4G;
  keepalive_timeout 5;

  try_files $uri/index.html $uri.html $uri @app;

	root /home/my_user/apps/my_app/current/public/;
	index index.html index.htm;

	server_name my_app.my_domain www.my_app.my_domain;

  location @app {
    gzip_static on;
    proxy_pass http://backend_my_app;
    proxy_redirect off;

    proxy_set_header        Host    $host;
    proxy_set_header        X-Real-IP       $remote_addr;
    proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header        X-Forwarded-Proto $scheme;

    root /home/my_user/apps/my_app/current/public/;
    index  index.html index.htm;
  }

  location ~* ^/font.+\.(svg|ttf|woff|eot)$ {
    root /home/my_user/apps/my_app/current/public/;
  }

  error_page   500 502 503 504  /50x.html;
  location = /50x.html {
    root   /var/www/nginx-default;
  }

  access_log  /var/log/nginx/access.log;
  error_log  /var/log/nginx/error.log;
}