config/deploy.rb

deploy.rb

# config/deploy.rb
lock '3.11.0' # Edit this to match your capistrano version

set :application, 'AppName'
set :repo_url, 'git@github.com:GitHubUserName/AppName.git' # Edit this to match your repository
set :branch, :master
set :deploy_to, '/home/deploy/apps/AppName'
set :linked_files, %w{config/database.yml config/application.yml config/secrets.yml}
set :linked_dirs, %w{log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system public/uploads}
set :bundle_binstubs, nil
set :keep_releases, 5
set :rbenv_type, :user # or :system, depends on your rbenv setup
# in case you want to set ruby version from the file:
set :rbenv_ruby, File.read('.ruby-version').strip

set :puma_rackup, -> { File.join(current_path, 'config.ru') }
set :puma_state, "#{shared_path}/tmp/pids/puma.state"
set :puma_pid, "#{shared_path}/tmp/pids/puma.pid"
set :puma_bind, "unix://#{shared_path}/tmp/sockets/puma.sock"    #accept array for multi-bind
set :puma_conf, "#{shared_path}/puma.rb"
set :puma_access_log, "#{shared_path}/log/puma_access.log"
set :puma_error_log, "#{shared_path}/log/puma_error.log"
set :puma_role, :app
set :puma_env, fetch(:rack_env, fetch(:rails_env, 'production'))
set :puma_threads, [0, 16]
set :puma_workers, 0
set :puma_worker_timeout, nil
set :puma_init_active_record, true
set :puma_preload_app, true

namespace :deploy 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

  desc 'Upload YAML files.'
    task :upload_yml do
      on roles(:app) do
        execute "mkdir #{shared_path}/config -p"
        upload! StringIO.new(File.read("config/database.yml")), "#{shared_path}/config/database.yml"
        upload! StringIO.new(File.read("config/application.yml")), "#{shared_path}/config/application.yml"
        upload! StringIO.new(File.read("config/secrets.yml")), "#{shared_path}/config/secrets.yml"
      end
    end

  desc 'Restart sidekiq'
    task :restart_sidekiq do
      on roles(:app) do
       execute :sudo, :systemctl, :restart, :sidekiq
      end
    end

  before :starting, :upload_yml
  before :starting, :make_dirs
  after :finishing, :restart_sidekiq
end