try to implement the global containerization

docker/php/scripts/context.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+APP_DIR=/var/www/app
+IS_DEV=${DEV:-0}
+
+run() {
+  if [ "$IS_DEV" = 1 ]; then
+    gosu www-data "$@"
+  else
+    "$@"
+  fi
+}