mina+puma+nginx

deploy.rb

require 'mina/bundler'
require 'mina/rails'
require 'mina/git'
# require 'mina/rbenv'  # for rbenv support. (http://rbenv.org)
require 'mina/rvm'    # for rvm support. (http://rvm.io)
require 'mina/puma'
require 'mina/nginx'


# Basic settings:
#   domain       - The hostname to SSH to.
#   deploy_to    - Path to deploy into.
#   repository   - Git repo to clone from. (needed by mina/git)
#   branch       - Branch name to deploy. (needed by mina/git)


set :application, "appname"
set :server_name, "www.appname.com"
set :domain, 'appname-production'
set :deploy_to, "/home/username/appname"
set :repository, 'git@bitbucket.org:usrename/appname.git'
set :branch, 'master'

# For system-wide RVM install.
#   set :rvm_path, '/usr/local/rvm/bin/rvm'

# Manually create these paths in shared/ (eg: shared/config/database.yml) in your server.
# They will be linked in the 'deploy:link_shared_paths' step.
set :shared_paths, ['config/database.yml', 'config/secrets.yml', 'log', 'tmp/pids', 'tmp/sockets']
set :app_path, lambda { "#{deploy_to}/#{current_path}" }
set :stage, 'production'


# Optional settings:
#   set :user, 'foobar'    # Username in the server to SSH to.
#   set :port, '30000'     # SSH port number.
#   set :forward_agent, true     # SSH forward_agent.

# This task is the environment that is loaded for most commands, such as
# `mina deploy` or `mina rake`.
task :environment do
  # If you're using rbenv, use this to load the rbenv environment.
  # Be sure to commit your .ruby-version or .rbenv-version to your repository.
  # invoke :'rbenv:load'

  # For those using RVM, use this to load an RVM version@gemset.
  invoke :'rvm:use[ruby-2.1.5@default]'
end

# Put any custom mkdir's in here for when `mina setup` is ran.
# For Rails apps, we'll make some of the shared paths that are shared between
# all releases.
task :setup => :environment do
  queue! %[mkdir -p "#{deploy_to}/#{shared_path}/log"]
  queue! %[chmod g+rx,u+rwx "#{deploy_to}/#{shared_path}/log"]

  queue! %[mkdir -p "#{deploy_to}/#{shared_path}/config"]
  queue! %[chmod g+rx,u+rwx "#{deploy_to}/#{shared_path}/config"]

  queue! %[mkdir -p "#{deploy_to}/#{shared_path}/tmp/sockets"]
  queue! %[chmod g+rx,u+rwx "#{deploy_to}/#{shared_path}/tmp/sockets"]
  queue! %[mkdir -p "#{deploy_to}/#{shared_path}/tmp/pids"]
  queue! %[chmod g+rx,u+rwx "#{deploy_to}/#{shared_path}/tmp/pids"]

  # Puma needs a place to store its pid file and socket file.
  queue! %[touch "#{deploy_to}/#{shared_path}/config/database.yml"]
  queue! %[touch "#{deploy_to}/#{shared_path}/config/secrets.yml"]
  queue  %[echo "-----> Be sure to edit '#{deploy_to}/#{shared_path}/config/database.yml' and 'secrets.yml'."]

  if repository
    repo_host = repository.split(%r{@|://}).last.split(%r{:|\/}).first
    repo_port = /:([0-9]+)/.match(repository) && /:([0-9]+)/.match(repository)[1] || '22'

    queue %[
      if ! ssh-keygen -H  -F #{repo_host} &>/dev/null; then
        ssh-keyscan -t rsa -p #{repo_port} -H #{repo_host} >> ~/.ssh/known_hosts
      fi
    ]
  end
end

desc "Deploys the current version to the server."
task :deploy => :environment do
  to :before_hook do
    # Put things to run locally before ssh
  end
  deploy do
    # Put things that will set up an empty directory into a fully set-up
    # instance of your project.
    invoke :'git:clone'
    invoke :'deploy:link_shared_paths'
    invoke :'bundle:install'
    invoke :'rails:db_migrate'
    invoke :'rails:assets_precompile'
    invoke :'deploy:cleanup'

    to :launch do
      #queue "mkdir -p #{deploy_to}/#{current_path}/tmp/"
      #queue "touch #{deploy_to}/#{current_path}/tmp/restart.txt"
      invoke 'puma:phased_restart'
    end
  end
end

# For help in making your deploy script, see the Mina documentation:
#
#  - http://nadarei.co/mina
#  - http://nadarei.co/mina/tasks
#  - http://nadarei.co/mina/settings
#  - http://nadarei.co/mina/helpers

nginx-server.conf

upstream appname { 
    server unix:///home/username/appname/shared/tmp/sockets/puma.sock; 
} 

server { 
    listen 80; 
    server_name www.appname.com; # change to match your URL 
    root /home/username/appname/current/public; # I assume your app is located at this location 

    location / { 
            proxy_pass http://appname; # match the name of upstream directive which is defined above 
            proxy_set_header Host $host; 
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
        } 

    location ~* ^/assets/ { 
            # Per RFC2616 - 1 year maximum expiry 
            expires 1y; 
            add_header Cache-Control public; 
    
            # Some browsers still send conditional-GET requests if there's a 
            # Last-Modified header or an ETag header even if they haven't 
            # reached the expiry date sent in the Expires header. 
            add_header Last-Modified ""; 
            add_header ETag ""; 
            break; 
        } 
}

puma.rb

# #{deploy_to}/#{shared_path}/config/puma.rb

# Change to match your CPU core count
workers 1

# Min and Max threads per worker
threads 1, 6

mina_dir = File.expand_path("../../..", __FILE__)
app_dir = "#{mina_dir}/current"
shared_dir = "#{mina_dir}/shared"

# Default to production
rails_env = ENV['RAILS_ENV'] || "production"
environment rails_env

# Set up socket location
bind "unix://#{shared_dir}/tmp/sockets/puma.sock"

# Logging
stdout_redirect "#{shared_dir}/log/puma.stdout.log", "#{shared_dir}/log/puma.stderr.log", true

# Set master PID and state locations
pidfile "#{shared_dir}/tmp/pids/puma.pid"
state_path "#{shared_dir}/tmp/sockets/puma.state"
activate_control_app "unix://#{shared_dir}/tmp/sockets/pumactl.sock"


on_worker_boot do
  require "active_record"
  ActiveRecord::Base.connection.disconnect! rescue ActiveRecord::ConnectionNotEstablished
  ActiveRecord::Base.establish_connection(YAML.load_file("#{app_dir}/config/database.yml")[rails_env])
end

cp config/puma.rb /home/tech/koooffer/shared/config/
mina puma:start -vv