My mina deploy setup

deploy.rb

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

# Basic settings:
# domain     - The hostname to SSH to
# deploy_to  - Path to deploy into
# repository - Git repo to clone from (needed by mina/git)
# user       - Username in the  server to SSH to (optional)

set :domain, 'youhype.tk'
set :deploy_to, '/var/www/youhype.tk'
set :repository, 'youhype@git.youhype.tk:youhype.git'
set :user, 'joerg'
set :port, '404'

desc "Load gem enviroment"
task :gem_path do
    queue %{
      #{echo_cmd %{export PATH="$PATH:$HOME/.gems/bin" GEM_HOME="$HOME/.gems"}}
    }
end

# database config (with password) remains this way on the server
desc "Symlink shared configs"
task :symlink_shared do
  queue %{
    #{echo_cmd %{ln -nfs #{deploy_to}/#{shared_path}/config/database.yml ./config/database.yml}}
  }
end

task :enviroment => :gem_path do
    invoke :'rbenv:load'
    invoke :gem_path
end
desc "Deploys the current version to the server."
task :deploy => :enviroment 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 :'bundle:install'
    invoke :'symlink_shared'
    invoke :'rails:db_migrate'
    invoke :'rails:assets_precompile'

    to :launch do
      queue 'bundle exec thin restart -C config/thin.yml'
      queue 'sudo /etc/init.d/nginx reload' # allow nopasswd in visudo for nginx' init script.
    end
  end
end