Changing puma configuration to work on server

config/deploy.rb

@@ -21,6 +21,21 @@
 set :whenever_command, "bundle exec whenever"
 set :whenever_identifier, ->{ "#{fetch(:application)}_#{fetch(:stage)}" }
 
+# Puma Configuration
+set :pty,             true
+set :use_sudo,        true
+set :deploy_via,      :remote_cache
+set :deploy_to,       "/home/deploy/#{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.stdout.log"
+set :puma_error_log,  "#{release_path}/log/puma.stderr.log"
+# set :ssh_options,     { for ward_agent: true, user: fetch(:user), keys: %w(~/.ssh/id_rsa.pub) }
+set :puma_preload_app, true
+set :puma_worker_timeout, nil
+set :puma_init_active_record, true  # Change to false when not using ActiveRecord
+
 # Default value for :scm is :git
 # set :scm, :git
 

config/puma.rb

@@ -26,4 +26,9 @@
   require "active_record"
   ActiveRecord::Base.connection.disconnect! rescue ActiveRecord::ConnectionNotEstablished
   require 'erb'
-  ActiveRecord::Base.establish_connection( YAML.load( ERB.new( File.read( "#{app_dir}/config/database.yml" )).result)[rails_env])end
+  if YAML.load( ERB.new( File.read( "#{app_dir}/config/database.yml" )).result)[rails_env]
+    ActiveRecord::Base.establish_connection( YAML.load( ERB.new( File.read( "#{app_dir}/config/database.yml" )).result)[rails_env])
+  else
+    # On the server -> do nothing for now
+  end
+end

lib/capistrano/tasks/setup.rake

@@ -28,13 +28,24 @@ namespace :setup do
     end
   end
 
-  desc "Symlinks config files for Nginx and Unicorn."
+    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"
+        execute "mkdir #{release_path}/shared/log -p"
+        execute "touch #{release_path}/shared/log/puma.stdout.log"
+        execute "touch #{release_path}/shared/log/puma.stderr.log"
+      end
+    end
+
+  desc "Symlinks config files for Nginx."
   task :symlink_config do
     on roles(:app) do
       execute "rm -f /etc/nginx/sites-enabled/default"
 
       execute "ln -nfs #{current_path}/config/nginx.conf /etc/nginx/sites-enabled/#{fetch(:application)}"
-      execute "ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{fetch(:application)}"
-   end
+    end
   end
+
 end