message: Update Dockerfile
  Fix permission issue.
diff: @@ -34,13 +34,13 @@ RUN pip install --upgrade setuptools pip \
  && pip install -r requirements.txt -r requirements-dev.txt \
  && rm -rf /root/.cache/pip
  -USER superset
  -
  COPY --chown=superset:superset superset superset
  ENV PATH=/home/superset/superset/bin:$PATH \
  PYTHONPATH=/home/superset/superset/:$PYTHONPATH
  +USER superset
  +
  RUN cd superset/assets \
  && npm ci \
  && npm run sync-backend \
  