===== プロセスのスケーリング =====
==== コマンド形式 ====
<code bash>
ps:scale <app> <proc>=<count> [<proc>=<count>]
</code>

==== 実行例 ====
〇設定表示
=== コマンド ===
<code bash>
dokku ps:scale ruby-getting-started
</code>

=== 出力結果 ===
<code>
-----> Scaling for ruby-getting-started
proctype                  qty                                                                       
--------                  ---                                                                       
web:                      1                                                                         
</code>

----
〇設定変更
=== コマンド ===
<code bash>
dokku ps:scale ruby-getting-started web=2
</code>

=== 出力結果 ===
<code>
-----> Scaling ruby-getting-started:web to 2
-----> Releasing ruby-getting-started (dokku/ruby-getting-started:latest)...
-----> Deploying ruby-getting-started (dokku/ruby-getting-started:latest)...
-----> App Procfile file found (/home/dokku/ruby-getting-started/DOKKU_PROCFILE)
       DOKKU_SCALE declares scale -> web=2
-----> Attempting pre-flight checks
       For more efficient zero downtime deployments, create a file CHECKS.
       See http://dokku.viewdocs.io/dokku/deployment/zero-downtime-deploys/ for examples
       CHECKS file not found in container: Running simple container check...
-----> Waiting for 10 seconds ...

～～～～ 省略 ～～～～
</code>