plugin installation in docker

docker/phraseanet/plugins/SubCommand.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Alchemy\Docker\Plugins\Command;
+
+function setupStreaming()
+{
+    ini_set('output_buffering', 'off');
+    ini_set('zlib.output_compression', false);
+    if (function_exists('apache_setenv')) {
+        apache_setenv('no-gzip', '1');
+        apache_setenv('dont-vary', '1');
+    }
+}
+
+setupStreaming();
+
+abstract class SubCommand
+{
+    static public function run($cmd)
+    {
+        system($cmd, $return);
+        if (0 !== $return) {
+            throw new \Exception(sprintf('Error %d: %s', $return, $cmd));
+        }
+    }
+}