diff --git a/Dockerfile_stg b/Dockerfile_stg
index f449e6fb..6ca1bfa9 100644
--- a/Dockerfile_stg
+++ b/Dockerfile_stg
@@ -1,7 +1,11 @@
 
+
 # Use the official PHP 5.6 Apache image for classic mod_php
 FROM php:5.6-apache
 
+# Install legacy mysql extension and other common PHP extensions for CakePHP
+RUN docker-php-ext-install mysql mbstring gd curl imap
+
 # Set environment variables.
 ENV HOME /root