Deploy with capistrano

deploy_puma.rb

# Change these
set :repo_url,        '[ENTER YOUR GIT REPO URL HERE]'
set :user,            'macsa'

set :branch,          'test'
set :application,     'staging'

set :puma_threads,    [4, 16]
set :puma_workers,    0

# Don't change these unless you know what you're doing
set :pty,             false
set :use_sudo,        false
set :deploy_via,      :remote_cache
set :deploy_to,       "/home/#{fetch(:user)}/apps/#{fetch(:application)}"

set :puma_bind,       "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock"
set :puma_default_control_app,       "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma-ctl.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 :puma_preload_app, true
set :puma_worker_timeout, nil
set :puma_init_active_record, true  # Change to false when not using ActiveRecord

set :sidekiq_pid, "#{shared_path}/tmp/pids/sidekiq.pid"
set :sidekiq_log, "#{release_path}/log/sidekiq.log"

set :ssh_options,     {
                    forward_agent: true,
                    user: fetch(:user),
                    keys: %w(~/.ssh/id_rsa.pub),
                    password: '[ENTER YOUR PASSWORD HERE]]'
                }

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/#{fetch(:branch)}`
        puts "WARNING: HEAD is not the same as origin/#{fetch(:branch)}"
        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

# ps aux | grep puma    # Get puma pid
# kill -s SIGUSR2 pid   # Restart puma
# kill -s SIGTERM pid   # Stop puma

deploy_puma_ext.rb

# Change these
set :repo_url,        '[ENTER YOUR GIT REPO URL HERE]'
set :user,            'macsa'

set :branch,          'test'
set :application,     'staging'

set :puma_threads,    [4, 16]
set :puma_workers,    0

# Don't change these unless you know what you're doing
set :pty,             false
set :use_sudo,        false
set :deploy_via,      :remote_cache
set :deploy_to,       "/home/#{fetch(:user)}/apps/#{fetch(:application)}"

set :puma_bind,       "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock"
set :puma_default_control_app,       "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma-ctl.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.access.log"
set :puma_error_log,  "#{release_path}/log/puma.error.log"
set :puma_preload_app, true
set :puma_worker_timeout, nil
set :puma_init_active_record, true  # Change to false when not using ActiveRecord

set :sidekiq_pid, "#{shared_path}/tmp/pids/sidekiq.pid"
set :sidekiq_log, "#{release_path}/log/sidekiq.log"

set :ssh_options,     {
                    forward_agent: true,
                    user: fetch(:user),
                    keys: %w(~/.ssh/id_rsa.pub),
                    password: '[ENTER YOUR PASSWORD HERE]'
                }

namespace :puma do

  desc "Start the application"
  task :start_app do
    on roles(:app) do
      execute "cd #{current_path} RAILS_ENV=#{fetch(:stage)} /usr/local/rvm/bin/rvm default do bundle exec pumactl -b -d 'unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock' -S #{shared_path}/tmp/pids/#{fetch(:application)}-puma.state --control 'unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma-ctl.sock'"
    end
  end
  
  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
  after "deploy:starting", :start_app

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/#{fetch(:branch)}`
        puts "WARNING: HEAD is not the same as origin/#{fetch(:branch)}"
        puts "Run `git push` to sync changes."
        exit
      end
    end
  end

  desc 'Set config/puma.rb-symlink for upstart'
  task :puma_config do
    on roles(:app) do
      execute "ln -s #{shared_path}/puma.rb #{fetch(:deploy_to)}/current/config/puma.rb" 
    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,    :puma_config
  after  :finishing,    :compile_assets
  after  :finishing,    :cleanup
  after  :finishing,    :restart
  
end

## Commands

## cap staging deploy:initial
## cap staging puma:start

with_passenger.rb

# Change these
set :repo_url,        '[ENTER YOUR GIT REPO URL HERE]'
set :user,            'macsa'

set :branch,          'test'
set :application,     'staging'

# Don't change these unless you know what you're doing
set :pty,             false
set :use_sudo,        true
set :deploy_via,      :remote_cache
set :deploy_to,       "/home/#{fetch(:user)}/apps/#{fetch(:application)}"

set :sidekiq_pid, "#{shared_path}/tmp/pids/sidekiq.pid"
set :sidekiq_log, "#{release_path}/log/sidekiq.log"

set :whenever_identifier, ->{ "#{fetch(:application)}_#{fetch(:stage)}" }

set :ssh_options,     {
                    forward_agent: false,
                    user: fetch(:user),
                    keys: %w(~/.ssh/id_rsa.pub),
                    password: '[ENTER YOUR PASSWORD HERE]'
                }

set :passenger_restart_with_sudo, true

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/#{fetch(:branch)}`
        puts "WARNING: HEAD is not the same as origin/#{fetch(:branch)}"
        puts "Run `git push` to sync changes."
        exit
      end
    end
  end

  desc 'Create shared upload folder'
  task :symlink_uploads do
      on roles(:app) do
          execute "mkdir #{shared_path}/uploads -p"
          execute "ln -nfs #{shared_path}/uploads #{release_path}/public/uploads"
      end
  end

  desc 'Initial Deploy'
  task :initial do
    on roles(:app) do
      invoke 'deploy'
    end
  end

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

Ojo con la gema de capistrano y puma. Tiene que ser capistrano3-puma no capistrano-puma. Si está, borrarla:

gem list capistrano-puma

Si está:

gem uninstall capistrano-puma

y luego:

bundle update