diff --git a/Dockerfile b/Dockerfile
index a2ae28b..619b8b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:stretch
+FROM "debian:stretch"
 MAINTAINER Julien Cabillot <jcabillot@gmail.com>
 
 RUN groupadd -r -g 666 sabnzbd && \
@@ -46,8 +46,14 @@ RUN export SABNZBD_VERSION=2.3.0 PAR2CMDLINE_VERSION=v0.6.14-mt1 && \
     apt-get -y remove --purge $BUILD_PACKAGES && \
     apt-get -y autoremove --purge && \
     apt-get -y clean all && \
-    rm -rf /var/lib/apt/lists/* && \
-    rm -rf /tmp/*
+    rm -rf "/usr/share/doc/*" \
+       "/var/cache/*" \
+       "/var/lib/apt/lists/*" \
+       "/usr/src/*" \
+       "/var/cache/*" \
+       "/var/log/"{apt/*,dpkg.log} \
+       "/var/www/html" \
+       "/tmp/*"
 
 #
 # Define container settings.