diff --git a/Dockerfile b/Dockerfile
index d177d43..8bbd480 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,12 @@
 FROM ubuntu:18.04
 LABEL maintainer="Julien Cabillot <dockerimages@cabillot.eu>"
 
+# hadolint ignore=DL3008,SC3009
 RUN export DEBIAN_FRONTEND=noninteractive && \
     export BUILD_PACKAGES=git-core && \
     export RUNTIME_PACKAGES="python bsdmainutils curl python-six" && \
     apt-get -qq update && \
-    apt-get -qq --yes install ${BUILD_PACKAGES} ${RUNTIME_PACKAGES} && \
+    apt-get -qq --no-install-recommends --yes install ${BUILD_PACKAGES} ${RUNTIME_PACKAGES} && \
     git clone https://github.com/jvehent/cipherscan.git && \
     /cipherscan/cscan.sh -l && \
     apt-get -qq --yes remove --purge ${BUILD_PACKAGES} && \
@@ -15,7 +16,8 @@ RUN export DEBIAN_FRONTEND=noninteractive && \
            /usr/src/* \
            /var/cache/* \
            /var/lib/apt/lists/* \
-           /var/log/{apt/*,dpkg.log} \
+           /var/log/apt \
+           /var/log/dpkg.log \
            /tmp/*
 
 ENTRYPOINT [ "/cipherscan/cipherscan" ]