diff --git a/Dockerfile b/Dockerfile
index 86f1e7a..5f1ccc0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,14 +13,14 @@ ENV LANG='en_US.UTF-8' \
     STEP_GID='1001' \
     STEP_VERSION='0.14.2'
 
-RUN zypper -n in tar wget gzip
-RUN groupadd -g $STEP_GID $STEP_GROUP
-RUN useradd -u $STEP_UID -g $STEP_GROUP -M $STEP_USER
+RUN zypper -n in tar wget gzip && \
+    groupadd -g $STEP_GID $STEP_GROUP && \
+    useradd -u $STEP_UID -g $STEP_GROUP -M $STEP_USER
 
 RUN wget https://github.com/smallstep/cli/releases/download/v$STEP_VERSION/step_linux_$STEP_VERSION_amd64.tar.gz && \
     mkdir -p /step/bin && \
-    tar -xxvf step_linux_$STEP_VERSION_amd64.tar.gz -C /step/bin/ && \
-    rm step_linux_$STEP_VERSION_amd64.tar.gz
+    tar -xxvf step_linux_$STEP_VERSION_amd64.tar.gz -C /step/bin/
+RUN rm step_linux_$STEP_VERSION_amd64.tar.gz
 
 EXPOSE 9000/tcp