anchor.diff:  RUN groupadd supergroup && \
       useradd -U -m -G supergroup superset && \
       mkdir -p /etc/superset && \
  -    mkdir -p ${SUPERSET_HOME} && \
  +    mkdir -p $SUPERSET_HOME && \
       chown -R superset:superset /etc/superset && \
  -    chown -R superset:superset ${SUPERSET_HOME} && \
  +    chown -R superset:superset $SUPERSET_HOME && \
       apt-get update && \
       apt-get install -y \
           build-essential \
  
positive.code:         libssl-dev && \
      apt-get clean && \
      tar xzf superset.tar.gz && \
      pip install Cython==0.29.21 pystan==2.19.1.1 && \
      pip install dist/*.tar.gz -r requirements.txt && \
      rm -rf ./*
  
  # Configure Filesystem
  COPY bin /usr/local/bin
  WORKDIR /home/superset
  VOLUME /etc/superset \
         /home/superset \
         /var/lib/superset
  
  # Finalize application
  EXPOSE 8088
  
negative.code: # --- Build assets with NodeJS
  #
  
  FROM node:$NODE_VERSION AS build
  
  # Superset version to build
  ARG SUPERSET_VERSION=master
  ENV SUPERSET_HOME=/var/lib/superset
  
  # Download source
  WORKDIR $SUPERSET_HOME
  RUN wget -qO /tmp/superset.tar.gz https://github.com/apache/superset/archive/$SUPERSET_VERSION.tar.gz
  RUN tar xzf /tmp/superset.tar.gz -C $SUPERSET_HOME --strip-components=1
  
  # Build assets
  WORKDIR $SUPERSET_HOME/superset-frontend/
  RUN npm install 2> /dev/null
  RUN npm run build 2> /dev/null
  
  #
  # --- Build dist package with Python 3
  #
  
  FROM python:$PYTHON_VERSION AS dist
  
  # Copy prebuilt workspace into stage
  ENV SUPERSET_HOME=/var/lib/superset
  WORKDIR $SUPERSET_HOME
  COPY --from=build $SUPERSET_HOME .
  COPY requirements.txt .
  
  # Create package to install
  