Cleanup root directory without recreating it

ckan-datapusher/Dockerfile

@@ -29,8 +29,7 @@ RUN \
  # Cleanup
  && apk del .deps \
  && find /srv/ckan-datapusher/src -name '.git*' -exec rm -rf {} + \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /root/.cache
 
 VOLUME ["/etc/ckan-datapusher", "/srv/ckan-datapusher/data"]
 EXPOSE 8004

crisiscleanup/Dockerfile

@@ -38,8 +38,7 @@ RUN \
  && cd /tmp \
  && rm -r /usr/src/ruby \
  && apk del .deps \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /root/.gem
 
 ENV RAILS_ENV production
 
@@ -71,10 +70,9 @@ RUN \
  && chown -R crisiscleanup:crisiscleanup /srv/crisiscleanup \
  # Cleanup
  && apk del .deps \
- && rm -rf /srv/crisiscleanup/.git* \
+ && find /srv/crisiscleanup -name '.git*' -exec rm -rf {} + \
  && rm -rf /usr/local/share/.cache \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /root/.bundle /root/.config /root/.npm
 
 VOLUME ["/srv/crisiscleanup/config"]
 EXPOSE 8005

gnuhealth/Dockerfile

@@ -39,9 +39,7 @@ RUN \
  # Cleanup
  && apk del .deps \
  && find /srv/gnuhealth -name '.git*' -exec rm -rf {} + \
- && rm -rf /usr/local/share/.cache \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /usr/local/share/.cache
 
 VOLUME ["/srv/gnuhealth/gnuhealth/tryton/server/config"]
 EXPOSE 8008

openmapkit/Dockerfile

@@ -39,10 +39,9 @@ RUN \
  && chown -R omk:omk /srv/openmapkit \
  # Cleanup
  && apk del .deps \
- && rm -rf /srv/openmapkit/.git* /srv/openmapkit/api/odk/pyxform/.git* \
+ && find /srv/openmapkit -name '.git*' -exec rm -rf {} + \
  && rm -rf /usr/local/share/.cache \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /root/.cache /root/.config /root/.node-gyp /root/.npm
 
 VOLUME ["/srv/openmapkit/data"]
 EXPOSE 8007

pandora/Dockerfile

@@ -70,8 +70,7 @@ RUN \
  && apk del .deps \
  && find /srv/pandora -name '.git*' -exec rm -rf {} + \
  && rm -rf /tmp/lib* /tmp/oxframe \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /root/.cache /root/.ox
 
 COPY --chown=8011:8011 docker/srv/ /srv/