Capistrano v3 could not find a Bundler

Question

I have a problem in deploying my App with Capistrano v3. When I run '$ cap production deploy' I see an error...

 INFO [825ad68d] Running /usr/bin/env bundle --gemfile /home/username/www/myapp/releases/20131026181031/Gemfile --path /home/username/www/myapp/shared/bundle --deployment --quiet --binstubs /home/username/www/myapp/shared/bin --without development test on myhostname.com
DEBUG [825ad68d] Command: cd /home/username/www/myapp/releases/20131026181031 && ( RAILS_ENV=production /usr/bin/env bundle --gemfile /home/username/www/myapp/releases/20131026181031/Gemfile --path /home/username/www/myapp/shared/bundle --deployment --quiet --binstubs /home/username/www/myapp/shared/bin --without development test )
DEBUG [825ad68d]    /usr/bin/env: 
DEBUG [825ad68d]    bundle
DEBUG [825ad68d]    : No such file or directory

But when I run the last command...

cd /home/username/www/myapp/releases/20131026181031 && ( RAILS_ENV=production /usr/bin/env bundle --gemfile /home/username/www/myapp/releases/20131026181031/Gemfile --path /home/username/www/myapp/shared/bundle --deployment --quiet --binstubs /home/username/www/myapp/shared/bin --without development test )

... via ssh on my server I don't see any errors.

Here is my server's environment:

• Ubuntu 13.04
• rvm 1.23.5
• rubygems 1.8.25
• Bundler 1.3.5
• ruby 1.9.3p448
• capistrano (3.0.0)
• capistrano-bundler (1.0.0)
• capistrano-rails (1.0.0)

Here is a piece of my Gemfile which includes capistrano's gems

...
group :development do
  ...
  # Deploy with Capistrano
  gem 'capistrano', '~> 3.0.0'
  gem 'capistrano-rails'
  gem 'capistrano-bundler'
end
...

Please see below capistrano's configuration:

Capfile

require 'capistrano/setup'
require 'capistrano/deploy'
require 'capistrano/bundler'
require 'capistrano/rails/assets'
require 'capistrano/rails/migrations'

Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r }

config/deploy.rb

set :application, 'myapp'
set :repo_url, "/home/username/repository/#{fetch(:application)}.git"
set :deploy_to, "/home/usename/www/#{fetch(:application)}"
set :scm, :git
set :branch, "master"
set :format, :pretty
set :use_sudo, false

set :linked_files, %w{config/database.yml}
set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system}

set :keep_releases, 5

SSHKit.config.command_map[:rake]  = "bundle exec rake"
SSHKit.config.command_map[:rails] = "bundle exec rails"

namespace :deploy do

  desc 'Restart application'
  task :restart do
    on roles(:app), in: :sequence, wait: 5 do
      # Your restart mechanism here, for example:
      # execute :touch, release_path.join('tmp/restart.txt')
    end
  end

  after :restart, :clear_cache do
    on roles(:web), in: :groups, limit: 3, wait: 10 do
      # Here we can do anything such as:
      # within release_path do
      #   execute :rake, 'cache:clear'
      # end
    end
  end

  after :finishing, 'deploy:cleanup'
end

config/deploy/production.rb

set :stage, :production

set :bundle_gemfile, -> { release_path.join('Gemfile') }
set :bundle_dir, -> { shared_path.join('bundle') }
set :bundle_flags, '--deployment --quiet'
set :bundle_without, %w{development test}.join(' ')
set :bundle_binstubs, -> { shared_path.join('bin') }
set :bundle_roles, :all

role :app, %w{myhostname.com}
role :web, %w{myhostname.com}
role :db,  %w{myhostname.com}

server 'myhostname.com', user: 'username', roles: %w{web app}, my_property: :my_value

fetch(:default_env).merge!(rails_env: :production)

Please help me.

SOLVED

I've solved my problem by following steps:

Add capistrano-rvm into Gemfile and do

...
group :development do
  ...
  gem 'capistrano', '~> 3.0.0'
  gem 'capistrano-rails'
  gem 'capistrano-bundler'
  gem 'capistrano-rvm'
end
...

Add this line into Capfile

require 'capistrano/rvm'

Add these lines into the deploy.rb file.

set :rvm_ruby_version, '1.9.3-p448'
set :default_env, { rvm_bin_path: '~/.rvm/bin' }
SSHKit.config.command_map[:rake] = "#{fetch(:default_env)[:rvm_bin_path]}/rvm ruby-#{fetch(:rvm_ruby_version)} do bundle exec rake"

Answer 1

It seems that you had to add capistrano-rvm. It will take care about your ruby and bundler paths.

bundle install doesn't work from capistrano