diff --git a/Dockerfile b/Dockerfile
index cdde806..39750d9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,7 +36,15 @@ RUN apk add --no-cache \
     php7-zip \
     php7-ldap \
     php7-pspell \
-    php7-apcu
+    php7-apcu \
+    php7-gd \
+    php7-ctype \
+    php7-xmlwriter \
+    php7-tokenizer
+
+#WORKDIR /var/lib/roundcube
+#RUN composer require masterminds/html5
+#WORKDIR /
 
 RUN chown -R nginx:nginx /var/lib/roundcube