diff --git a/Dockerfile b/Dockerfile
index b76284d..85649e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,8 +27,8 @@ RUN export SABNZBD_VERSION=2.3.0 PAR2CMDLINE_VERSION=v0.6.14-mt1 && \
     export RUNTIME_PACKAGES="ca-certificates p7zip-full python-cheetah python-yenc unrar unzip libgomp1 openssl python-cryptography python-openssl curl" && \
     export PIP_PACKAGES="sabyenc" && \
     sed -i "s/ main$/ main contrib non-free/" /etc/apt/sources.list && \
-    apt-get -q update && \
-    apt-get install -qqy $BUILD_PACKAGES $RUNTIME_PACKAGES && \
+    apt-get -qq update && \
+    apt-get -qq --yes install $BUILD_PACKAGES $RUNTIME_PACKAGES && \
     pip install $PIP_PACKAGES && \
     curl -SL -o /tmp/sabnzbd.tar.gz https://github.com/sabnzbd/sabnzbd/releases/download/${SABNZBD_VERSION}/SABnzbd-${SABNZBD_VERSION}-src.tar.gz && \
     tar xzf /tmp/sabnzbd.tar.gz && \
@@ -43,17 +43,17 @@ RUN export SABNZBD_VERSION=2.3.0 PAR2CMDLINE_VERSION=v0.6.14-mt1 && \
     ./configure && \
     make && \
     make install && \
-    apt-get -y remove --purge $BUILD_PACKAGES && \
-    apt-get -y autoremove --purge && \
-    apt-get -y clean all && \
-    rm -rf "/usr/share/doc/*" \
-       "/var/cache/*" \
-       "/var/lib/apt/lists/*" \
-       "/usr/src/*" \
-       "/var/cache/*" \
+    apt-get -qq --yes remove --purge $BUILD_PACKAGES && \
+    apt-get -qq --yes autoremove --purge && \
+    apt-get -qq --yes clean all && \
+    rm -rf "/usr/share/doc/"* \
+           "/var/cache/"* \
+           "/var/lib/apt/lists/"* \
+           "/usr/src/"* \
+           "/var/cache/"* \
        "/var/log/"{apt/*,dpkg.log} \
        "/var/www/html" \
-       "/tmp/*"
+           "/tmp/"*
 
 #
 # Define container settings.