Single file deployment config for a Jekyll based website

Capfile

load 'deploy'

set :stages, [:staging, :production]
set :default_stage, :staging

require 'capistrano/ext/multistage'

task :staging do
  set :stage, :staging
  set :user, '<ssh-user-staging>'
  role :app, '<your-staging-server>', :primary => true
end

task :production do
  set :stage, :production
  set :user, '<ssh-user-production>'
  role :app, '<your-production-server>', :primary => true
end

set :application, '<your-website-name>'
set :repository,  '_site'

set :scm, :none
set :deploy_to, "/var/www/#{application}"
set :deploy_via, :copy

set :keep_releases, 3
set :shared_children, %w(log)
set :use_sudo, false

default_run_options[:pty] = true
set :group_writable, false

namespace :deploy do

  %w[cold migrate migrations start stop upload web].each do |name|
    tasks.delete(name.to_sym)
  end

  %w[pending web].each do |name|
    namespaces.delete(name.to_sym)
  end

  %w[restart finalize_update].each do |name|
    task(name.to_sym, :roles => :app){ }
  end

end

before 'deploy:update_code' do
  system('rm -rf _site && jekyll')
end

after 'deploy:setup' do
  run "chmod -R g-w #{deploy_to}" if !fetch(:group_writable, true)
end