diff --git a/Dockerfile b/Dockerfile
index 7502135..ebf6836 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,9 +10,12 @@ RUN apk add --no-cache  \
     nextcloud-user_ldap \
     nextcloud-files_sharing \
     nextcloud-files_texteditor \
+    nextcloud-files_pdfviewer \
+    nextcloud-theming \
     nextcloud-pgsql \
     php7-opcache \
-    php7-pcntl
+    php7-pcntl \
+    php7-imagick
 
 RUN chown -R nginx:nginx /var/lib/nextcloud
 RUN chown -R nginx:nginx /etc/nextcloud
diff --git a/rootfs/etc/cont-init.d/00-nextcloud b/rootfs/etc/cont-init.d/00-nextcloud
index 8c1ed51..6f1d5eb 100644
--- a/rootfs/etc/cont-init.d/00-nextcloud
+++ b/rootfs/etc/cont-init.d/00-nextcloud
@@ -22,6 +22,8 @@ if [ $? -ne 1 ]; then
     s6-setuidgid nginx ./occ app:enable user_ldap
     s6-setuidgid nginx ./occ app:enable files_sharing
     s6-setuidgid nginx ./occ app:enable files_texteditor
+    s6-setuidgid nginx ./occ app:enable files_pdfviewer
+    s6-setuidgid nginx ./occ app:enable theming
 fi
 
 s6-setuidgid nginx ./occ config:system:set --value "https://$DOMAIN" overwrite.cli.url
@@ -47,7 +49,7 @@ s6-setuidgid nginx ./occ config:app:set --value "$LDAP_LOGIN_FILTER" user_ldap l
 s6-setuidgid nginx ./occ config:app:set --value "$LDAP_TLS" user_ldap ldap_tls
 s6-setuidgid nginx ./occ config:app:set --value "$LDAP_HOST" user_ldap ldap_host
 s6-setuidgid nginx ./occ config:app:set --value "$LDAP_BIND_USER" user_ldap ldap_dn
-s6-setuidgid nginx ./occ config:app:set --value "$(php -r 'echo base64_encode(getenv(\"LDAP_BIND_PASSWORD\"));')" user_ldap ldap_agent_password
+s6-setuidgid nginx ./occ config:app:set --value "$(php -r 'echo base64_encode(getenv("LDAP_BIND_PASSWORD"));')" user_ldap ldap_agent_password
 s6-setuidgid nginx ./occ config:app:set --value "$LDAP_GROUP_FILTER" user_ldap ldap_group_filter
 s6-setuidgid nginx ./occ config:app:set --value "$LDAP_USER_DISPLAY_NAME" user_ldap ldap_display_name
 s6-setuidgid nginx ./occ config:app:set --value "${LDAP_PORT:-389}" user_ldap ldap_port