Capistrano deploy webpacker:install error - Webpack binstubs not found. Have you run rails webpacker:install ?

cap production doctor

    require "capistrano/scm/git"
    install_plugin Capistrano::SCM::Git

 DEBUG [6d67c844] Running [ -d ~/.rvm ] on 138.197.99.1
 DEBUG [6d67c844] Command: [ -d ~/.rvm ]
 DEBUG [6d67c844] Finished in 1.312 seconds with exit status 1 (failed).
 DEBUG [2be79dee] Running [ -d /usr/local/rvm ] on 138.197.99.1
 DEBUG [2be79dee] Command: [ -d /usr/local/rvm ]
 DEBUG [2be79dee] Finished in 0.213 seconds with exit status 0 (successful).
 DEBUG [5e5fabda] Running /usr/local/rvm/bin/rvm version on 138.197.99.1
 DEBUG [5e5fabda] Command: /usr/local/rvm/bin/rvm version
 DEBUG [5e5fabda] 	rvm 1.29.3 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]
 DEBUG [5e5fabda]
 DEBUG [5e5fabda] Finished in 0.665 seconds with exit status 0 (successful).
rvm 1.29.3 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]
 DEBUG [c937a780] Running /usr/local/rvm/bin/rvm current on 138.197.99.1
 DEBUG [c937a780] Command: /usr/local/rvm/bin/rvm current
 DEBUG [c937a780] 	ruby-2.3.4
 DEBUG [c937a780] Finished in 0.560 seconds with exit status 0 (successful).
ruby-2.3.4
 DEBUG [777cf0b0] Running /usr/local/rvm/bin/rvm default do ruby --version on 138.197.99.1
 DEBUG [777cf0b0] Command: /usr/local/rvm/bin/rvm default do ruby --version
 DEBUG [777cf0b0] 	ruby 2.3.4p301 (2017-03-30 revision 58214) [x86_64-linux]
 DEBUG [777cf0b0]
 DEBUG [777cf0b0] Finished in 0.941 seconds with exit status 0 (successful).
ruby 2.3.4p301 (2017-03-30 revision 58214) [x86_64-linux]
  INFO [dd007e65] Running /usr/bin/env mkdir -p /tmp/signal0x/ on 138.197.99.1
 DEBUG [dd007e65] Command: /usr/bin/env mkdir -p /tmp/signal0x/
  INFO [dd007e65] Finished in 0.220 seconds with exit status 0 (successful).
 DEBUG Uploading /tmp/signal0x/nvm-exec.sh 0.0%
  INFO Uploading /tmp/signal0x/nvm-exec.sh 100.0%
  INFO [a5e0b490] Running /usr/bin/env chmod +x /tmp/signal0x/nvm-exec.sh on 138.197.99.1
 DEBUG [a5e0b490] Command: /usr/bin/env chmod +x /tmp/signal0x/nvm-exec.sh
  INFO [a5e0b490] Finished in 0.243 seconds with exit status 0 (successful).
 DEBUG [47dc8f11] Running [ -d $HOME/.nvm/v8.5.0 ] || [ -d $HOME/.nvm/versions/node/v8.5.0 ] on 138.197.99.1
 DEBUG [47dc8f11] Command: [ -d $HOME/.nvm/v8.5.0 ] || [ -d $HOME/.nvm/versions/node/v8.5.0 ]
 DEBUG [47dc8f11] Finished in 0.189 seconds with exit status 0 (successful).

Environment

    Ruby     ruby 2.3.4p301 (2017-03-30 revision 58214) [x86_64-darwin16]
    Rubygems 2.6.13
    Bundler  1.15.4
    Command  /Users/sid/.rvm/gems/ruby-2.3.4/bin/cap production doctor

Gems

    capistrano         3.9.1
    airbrussh          1.3.0
    rake               12.1.0
    sshkit             1.14.0
    net-ssh            4.2.0
    capistrano-bundler 1.2.0
    capistrano-nvm     0.0.7
    capistrano-rails   1.3.0
    capistrano-rvm     0.1.2
    capistrano-yarn    2.0.2
    capistrano3-puma   3.1.1

Variables

    :application                 "signal0x"
    :assets_prefix               "assets"
    :assets_roles                [:web]
    :branch                      :master
    :bundle_bins                 ["gem", "rake", "rails", "puma", "pumactl"]
    :bundle_flags                "--deployment --quiet"
    :bundle_path                 #<Pathname:/home/root/apps/signal0x/shared/bundle>
    :bundle_roles                :all
    :bundle_servers              [#<Capistrano::Configuration::Server:0x007fd0592a9d20 @keys=[], @local=false, @user=nil, @hostname="138.197.99.1", @port=22, @properties=#<Capistrano::Configuration::Server::Properties:0x007fd0592a9938 @properties={:primary=>true}, @roles=#<Set: {:web, :app, :db}>>>]
    :bundle_without              "development test"
    :chruby_map_bins             ["puma", "pumactl"]
    :conditionally_migrate       false
    :default_env                 {:node_version=>"v8.5.0"}
    :deploy_to                   "/home/root/apps/signal0x"
    :format                      :pretty
    :git_environmental_variables {:git_askpass=>"/bin/echo", :git_ssh=>"/tmp/git-ssh-signal0x-production-sid.sh"}
    :git_shallow_clone           false
    :git_wrapper_path            "/tmp/git-ssh-signal0x-production-sid.sh"
    :keep_releases               5
    :linked_dirs                 ["bin", "log", "tmp/pids", "tmp/cache", "tmp/sockets", "vendor/bundle", "public/system", "node_modules", "client/node_modules", "public/assets"]
    :local_user                  "sid"
    :log_level                   :debug
    :migration_role              :db
    :migration_servers           #<Capistrano::Configuration::Server:0x007fd0592a9d20 @keys=[], @local=false, @user=nil, @hostname="138.197.99.1", @port=22, @properties=#<Capistrano::Configuration::Server::Properties:0x007fd0592a9938 @properties={:primary=>true}, @roles=#<Set: {:web, :app, :db}>>>
    :nvm_map_bins                ["node", "npm", "yarn"]
    :nvm_node                    "v8.5.0"
    :nvm_node_path               ["$HOME/.nvm/v8.5.0", "$HOME/.nvm/versions/node/v8.5.0"]
    :nvm_path                    "$HOME/.nvm"
    :nvm_prefix                  "/tmp/signal0x/nvm-exec.sh"
    :nvm_roles                   :all
    :nvm_type                    :user
    :pty                         true
    :puma_access_log             "/home/root/apps/signal0x/current/log/puma.error.log"
    :puma_bind                   "unix:///home/root/apps/signal0x/shared/tmp/sockets/signal0x-puma.sock"
    :puma_conf                   "/home/root/apps/signal0x/shared/puma.rb"
    :puma_control_app            false
    :puma_daemonize              false
    :puma_default_control_app    "unix:///home/root/apps/signal0x/shared/tmp/sockets/pumactl.sock"
    :puma_env                    :production
    :puma_error_log              "/home/root/apps/signal0x/current/log/puma.access.log"
    :puma_init_active_record     true
    :puma_pid                    "/home/root/apps/signal0x/shared/tmp/pids/puma.pid"
    :puma_preload_app            true
    :puma_rackup                 "/home/root/apps/signal0x/current/config.ru"
    :puma_role                   :app
    :puma_state                  "/home/root/apps/signal0x/shared/tmp/pids/puma.state"
    :puma_tag                    ""
    :puma_threads                [4, 16]
    :puma_workers                0
    :rails_env                   :production
    :rbenv_map_bins              ["puma", "pumactl"]
    :repo_url                    "git@github.com:Gennovacap-Technology/signal0x.git"
    :rvm_map_bins                ["gem", "rake", "ruby", "bundle", "puma", "pumactl"]
    :rvm_path                    "/usr/local/rvm"
    :rvm_ruby_version            "default"
    :rvm_type                    :auto
    :ssh_options                 {:user=>"root", :keys=>["~/.ssh/id_rsa"], :forward_agent=>true}
    :stage                       :production
    :tmp_dir                     "/tmp"
    :user                        "root"
    :yarn_bin                    :yarn
    :yarn_flags                  "--production --silent --no-progress"
    :yarn_prune_flags            ""
    :yarn_roles                  :all

Servers (1)

    138.197.99.1:22 [:web, :app, :db] { :primary => true }

Capfile

# Load DSL and set up stages
require "capistrano/setup"

# Include default deployment tasks
require "capistrano/deploy"


require "capistrano/scm/git"
install_plugin Capistrano::SCM::Git

require "capistrano/rvm"
require 'capistrano/nvm'
require 'capistrano/yarn'
# require "capistrano/rbenv"
# require "capistrano/chruby"
require "capistrano/bundler"
require "capistrano/puma"
install_plugin Capistrano::Puma
require "capistrano/rails/assets"
require "capistrano/rails/migrations"
# require "capistrano/passenger"

# Load custom tasks from `lib/capistrano/tasks` if you have any defined
Dir.glob("lib/capistrano/tasks/*.rake").each { |r| import r }

deploy.rb

# config valid only for current version of Capistrano
lock "3.9.1"

server '138.197.99.1', port: 22, roles: [:web, :app, :db], primary: true

set :application, "signal0x"
set :repo_url, "git@github.com:Gennovacap-Technology/signal0x.git"

set :user,            'root'
set :puma_threads,    [4, 16]
set :puma_workers,    0


# Don't change these unless you know what you're doing
set :pty,             true
set :stage,           :production
set :deploy_to,       "/home/#{fetch(:user)}/apps/#{fetch(:application)}"
set :puma_bind,       "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock"
set :puma_state,      "#{shared_path}/tmp/pids/puma.state"
set :puma_pid,        "#{shared_path}/tmp/pids/puma.pid"
set :puma_access_log, "#{release_path}/log/puma.error.log"
set :puma_error_log,  "#{release_path}/log/puma.access.log"
set :ssh_options,     { forward_agent: true, user: fetch(:user), keys: %w(~/.ssh/id_rsa.pub) }
set :puma_preload_app, true
set :puma_init_active_record, true  # Change to false when not using ActiveRecord

## Add node and yarn

set :nvm_type, :user # or :system, depends on your nvm setup
set :nvm_node, 'v8.5.0'
set :nvm_map_bins, %w{node npm yarn}


set :yarn_flags, '--production --silent --no-progress'    # default
set :yarn_roles, :all                                     # default


## Defaults:
set :scm,           :git
set :branch,        :master
set :format,        :pretty
set :log_level,     :debug
set :keep_releases, 5

## Linked Files & Directories (Default None):
# set :linked_files, %w{config/database.yml}
set :linked_dirs,  %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system node_modules client/node_modules}

namespace :puma do
  desc 'Create Directories for Puma Pids and Socket'
  task :make_dirs do
    on roles(:app) do
      execute "mkdir #{shared_path}/tmp/sockets -p"
      execute "mkdir #{shared_path}/tmp/pids -p"
    end
  end

  before :start, :make_dirs
end

namespace :deploy do
  desc "Make sure local git is in sync with remote."
  task :check_revision do
    on roles(:app) do
      unless `git rev-parse HEAD` == `git rev-parse origin/master`
        puts "WARNING: HEAD is not the same as origin/master"
        puts "Run `git push` to sync changes."
        exit
      end
    end
  end

  desc 'Initial Deploy'
  task :initial do
    on roles(:app) do
      before 'deploy:restart', 'puma:start'
      invoke 'deploy'
    end
  end

  desc 'Restart application'
  task :restart do
    on roles(:app), in: :sequence, wait: 5 do
      invoke 'puma:restart'
    end
  end

  before :starting,     :check_revision
  after  :finishing,    :compile_assets
  after  :finishing,    :cleanup
  after  :finishing,    :restart
end

production.rb

 set :ssh_options, {
   user: fetch(:user),
   keys: %w(~/.ssh/id_rsa),
   forward_agent: true,
 }