Generate CTS static resources

cts/Dockerfile

@@ -25,6 +25,9 @@ RUN \
  # Make manage.py globally executable
  && chmod +x /srv/cts/manage.py \
  && ln -s /srv/cts/manage.py /usr/local/bin/manage.py \
+ # Compile static files
+ && sed -i '/debug_toolbar/d' /srv/cts/cts/settings/dev.py \
+ && DJANGO_SETTINGS_MODULE=cts.settings.dev manage.py collectstatic -l --noinput \
  # Create OS user
  && addgroup -S -g 8006 cts \
  && adduser -S -u 8006 -h /srv/cts -s /bin/false -g cts -G cts cts \
@@ -32,8 +35,7 @@ RUN \
  # Cleanup
  && apk del .deps \
  && find /srv/cts -name '.git*' -exec rm -rf {} + \
- && rm -rf /root \
- && mkdir /root
+ && rm -rf /root/.cache
 
 VOLUME ["/srv/cts/cts/settings"]
 EXPOSE 8006