Deploy Redmine with Capistrano

deploy.rb

require 'bundler/capistrano'

set :application, "redmine"
set :repository,  "git://github.com/redmine/redmine.git"

set :use_sudo, false

set :git_enable_submodules, true

set :default_environment, {
    'PATH' => "$HOME/.rbenv/shims:$HOME/.rbenv/bin:$PATH"
}
set :bundle_without,  [:development, :test, :postgresql, :sqlite, :rmagick]

role :web, "web server"
role :app, "app server"
role :db,  "app server", :primary => truerun

after "deploy:restart", "deploy:cleanup"

namespace :deploy do
  task :create_database_yml do
    database_yml =<<EOS
production:
  adapter: mysql2
  database: redmine
  host: localhost
  username: redmine
  password: redmine
  encoding: utf8
EOS
   put database_yml, "#{current_path}/config/database.yml"
  end
end

namespace :redmine do
  task :plugins_migrate do
    rake = fetch(:rake, "rake")
    rails_env = fetch(:rails_env, "production")
    migrate_env = fetch(:migrate_env, "")
    migrate_target = fetch(:migrate_target, :latest)

    directory = case migrate_target.to_sym
                when :current then current_path
                when :latest then latest_release
                else raise ArgumentError, "unknown migration target #{migrate_target.inspect}"
                end

    run "cd #{directory} && #{rake} RAILS_ENV=#{rails_env} #{migrate_env} redmine:plugins:migrate"
  end
end

after 'deploy:migrate', 'redmine:plugins_migrate'