diff --git a/debian/Dockerfile b/debian/Dockerfile
index 71ae5fb..bd1293b 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -67,7 +67,9 @@ RUN install-php-extensions \
     ${php_extra}
 
 # Configure PHP
-RUN mv "${PHP_INI_DIR}/php.ini-production" "${PHP_INI_DIR}/php.ini"
+RUN ln -s "${PHP_INI_DIR}/php.ini-production" "${PHP_INI_DIR}/php.ini"
+
+COPY php/php.ini /usr/local/etc/php/conf.d/invoiceninja.ini
 
 # Create directory for artisan tinker (init.sh)
 RUN mkdir /config/psysh \