ref(Dockerfile): simplify chown commands

Author: mboersma

rootfs/Dockerfile

@@ -2,28 +2,28 @@ FROM heroku/cedar:14
 
 RUN mkdir /app
 RUN addgroup --quiet --gid 2000 slug && \
-  useradd slug --uid=2000 --gid=2000 --home-dir /app --no-create-home
+    useradd slug --uid=2000 --gid=2000 --home-dir /app --no-create-home
 
 # disable source repos (speeds up apt-get update)
 RUN sed -i -e 's/^deb-src/#deb-src/' /etc/apt/sources.list && \
-apt-get update && \
-apt-get install -y md5deep && \
-	apt-get clean && \
-	rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/man /usr/share/doc && \
-bash -c "mkdir -p /usr/share/man/man{1..8}"
+    apt-get update && \
+    apt-get install -y md5deep && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /usr/share/man /usr/share/doc && \
+    bash -c "mkdir -p /usr/share/man/man{1..8}"
 
 ADD . /
 ENV PYTHONPATH $PYTHONPATH:/usr/local/lib/python3/site-packages
 ADD https://storage.googleapis.com/object-storage-cli/bb8e054/objstorage-bb8e054-linux-amd64 /bin/objstorage
-RUN chmod +x /bin/objstorage
-RUN chown -R slug:slug /app
-RUN chown slug:slug /bin/get_object
-RUN chown slug:slug /bin/normalize_storage
-RUN chown slug:slug /bin/put_object
-RUN chown slug:slug /bin/objstorage
-RUN chown slug:slug /bin/read_procfile_keys
-RUN chown slug:slug /bin/restore_cache
-RUN chown slug:slug /bin/store_cache
+RUN chmod +x /bin/objstorage && \
+    chown -R slug:slug /app && \
+    chown slug:slug /bin/get_object \
+                    /bin/normalize_storage \
+                    /bin/put_object \
+                    /bin/objstorage \
+                    /bin/read_procfile_keys \
+                    /bin/restore_cache \
+                    /bin/store_cache
 
 USER slug
 ENV HOME /app