JupyterHub DockerFiler Set Environment Variable not Work

[Changtao Hou]

Hi, 

      I try to create a jupyterhub docker container. I setup the JAVA_HOME environment variable in my dockerfile and the docker container build success. But when I use the docker image and found the JAVA_HOME environment variable still need to be set manual. Could anyone help me?

      The dockerfile I used is :

FROM krylov-jupyter-ares

RUN pip install numpy pandas scipy scikit-learn sympy statsmodels && \

    pip install git+git://github.com/Theano/Theano.git --upgrade --no-deps && pip install keras && \

    curl https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.9.0-cp35-cp35m-linux_x86_64.whl -o /tmp/tensorflow-0.9.0-cp35-cp35m-linux_x86_64.whl && \

    pip install /tmp/tensorflow-0.9.0-cp35-cp35m-linux_x86_64.whl

RUN mkdir -p /tools/node && \

    wget -nv https://nodejs.org/dist/v4.3.2/node-v4.3.2-linux-x64.tar.gz -O node.tar.gz && \

    tar xzf node.tar.gz -C /tools/node --strip-components=1 && \

    rm node.tar.gz && \

    /tools/node/bin/npm install -g configurable-http-proxy

RUN pip install jupyterhub && \

    pip install seaborn && \

    pip install matplotlib && \

    pip install xgboost && \

    pip install tqdm

RUN jupyterhub --generate-config && \

    mkdir /data && \

    echo "" | adduser --disabled-password chhou && \

    ln -s /opt/krylov/jupyter/notebooks /home/chhou/notebooks && \

    usermod -aG sudo chhou

RUN echo chhou:password >> /tmp/pw && \

    chpasswd < /tmp/pw && \

    chmod a+rwx /opt/krylov/jupyter/notebooks && \

    chmod -R a+rw /opt/krylov/jupyter/notebooks

EXPOSE 8000

ENV PATH $PATH:/tools/node/bin

ENV JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-amd64/jre

RUN echo "PATH=$PATH" >> /etc/environment && \

         echo "JAVA_HOME=$JAVA_HOME" >> /etc/environment

WORKDIR /opt/krylov/jupyter/notebooks

ENTRYPOINT ["jupyterhub", "--no-ssl"]

         The build command I used is: sudo docker build -f dockerfile .

         Any links or comments will be appreciated.

 

[MinRK]

JupyterHub does not pass all of its environment variables to the single-user servers, because it is likely to include hub-level credentials that the user shouldn’t have access to. For this reason, there is a c.Spawner.env_keep configurable that is a whitelist of environment variables that should be passed down. You can specify that JAVA_HOME should be added with:

c.Spawner.env_keep.append('JAVA_HOME')

in your jupyterhub_config.py

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