example mina deploy.rb

deploy.rb

# config/deploy.rb

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

set :rbenv_path, '/usr/local/rbenv'
set :domain, '<your_ip>'
set :deploy_to, '<your_deploy_path>'
set :repository, '<your_git_repository>'
set :branch, 'master'
set :user, '<your_username>'
set :keep_releases, 4

set :shared_paths, ['config/database.yml', 'log', 'config/application.yml', 'public/system', 'tmp/pids']

task :environment do
  invoke :'rbenv:load'
end

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")
  queue! %(chmod g+rx,u+rwx "#{deploy_to}/#{shared_path}/tmp")

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

  queue! %(touch "#{deploy_to}/#{shared_path}/config/database.yml")
  queue! %(touch "#{deploy_to}/#{shared_path}/config/application.yml")
  queue %(echo "-----> Be sure to edit '#{deploy_to}/#{shared_path}/config/database.yml'.")
  queue %(echo "-----> Be sure to edit '#{deploy_to}/#{shared_path}/config/application.yml'.")
end

desc 'Deploys the current version to the server.'
task deploy: :environment do
  deploy do
    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 'echo "-----> Stop unicorn"'
      queue! %(
        test -s /tmp/unicorn.<your_unicorn_pid>.pid && kill `cat /tmp/unicorn.<your_unicorn_pid>.pid` && echo "Stop Ok" && exit 0
        echo >&2 "Not running"
      )
      queue 'echo "-----> Start unicorn"'
      queue! %(
        cd #{deploy_to}/#{current_path} && unicorn -D -c #{deploy_to}/#{current_path}/config/unicorn.rb --env production
      )
    end
  end
end