upstream app {
    # Path to Puma SOCK file, as defined previously
    server unix:/home/ubuntu/site/app/app-name/current/shared/sockets/puma.sock fail_timeout=0;
}

server {
    listen 80;
    server_name localhost;

    root /home/ubuntu/site/app/app-name/current/public;

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

    location @app {
        proxy_pass http://app;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
    }

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

environment 'production'
threads 2, 64
workers 2   #depends on how many cores of server CPU

application_path = File.expand_path('..', __dir__)
directory application_path

pidfile "#{application_path}/shared/pids/puma.pid"
state_path "#{application_path}/shared/sockets/puma.state"
stdout_redirect "#{application_path}/shared/log/puma.stdout.log", "#{application_path}/shared/log/puma.stderr.log"
bind "unix://#{application_path}/shared/sockets/puma.sock"
activate_control_app "unix://#{application_path}/shared/sockets/pumactl.sock"

daemonize true
preload_app!

require 'mina/bundler'
require 'mina/rails'
require 'mina/git'
require 'mina/rbenv'
require 'mina/puma'

# 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_name, 'production_app'
set :domain, '192.168.99.99'
set :user, 'ubuntu' # Username in the server to SSH to.
set :deploy_to, "/home/#{fetch(:user)}/site/app/#{fetch(:application_name)}"
set :repository, 'git@github.com:abcdefg/xyz.git'
set :branch, 'master'
set :rbenv_path, "$HOME/.rbenv"
set :database, 'name_of_production'

# shared dirs and files will be symlinked into the app-folder by the 'deploy:link_shared_paths' step.
set :shared_files, fetch(:shared_files, []).push('config/database.yml', 'config/secrets.yml')
set :shared_dirs, fetch(:shared_dirs, []).push('shared/log', 'tmp/cache', 'shared/pids', 'shared/sockets', 'public', 'vendor')

# This task is the environment that is loaded for all remote run commands, such as
# `mina deploy` or `mina rake`.
task :environment do
    invoke :'rbenv:load'
end

task :setup do

end

desc "Deploys the current version to the server."
task :deploy do
  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'

    on :launch do
        in_path(fetch(:current_path)) do
        command %{mkdir -p tmp/}
        command %{touch tmp/restart.txt}
        invoke :'puma_restart'
        end
    end
  end
  # you can use `run :local` to run tasks on local machine before of after the deploy scripts
  # run(:local){ say 'done' }
end

task puma_restart: :environment do
  puma_pid = "#{fetch(:current_path)}/shared/pids/puma.pid"
  command %[
    if [ -e '#{puma_pid}' ]; then
      bundle exec pumactl -F config/puma_production.rb stop
      bundle exec pumactl -F config/puma_production.rb start
    else
      bundle exec pumactl -F config/puma_production.rb start
    fi
  ]
end

# For help in making your deploy script, see the Mina documentation:
#  - https://github.com/mina-deploy/mina/tree/master/docs