Create Dockerfile

from https://github.com/KienMN/JupyterHub-on-Kubernetes/blob/master/images/jupyter-hub/Dockerfile

Dockers/tensorflow-jupyterhub/Dockerfile

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+FROM ubuntu:18.04
+
+ARG JUPYTERHUB_VERSION=1.1.0
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+      git \
+      vim \
+      less \
+      python3 \
+      python3-dev \
+      python3-pip \
+      python3-setuptools \
+      python3-wheel \
+      libssl-dev \
+      libcurl4-openssl-dev \
+      build-essential \
+      sqlite3 \
+      curl \
+      dnsutils \
+      $(bash -c 'if [[ $JUPYTERHUB_VERSION == "git"* ]]; then \
+        # workaround for https://bugs.launchpad.net/ubuntu/+source/nodejs/+bug/1794589
+        echo nodejs=8.10.0~dfsg-2ubuntu0.2 nodejs-dev=8.10.0~dfsg-2ubuntu0.2 npm; \
+      fi') \
+      && \
+    apt-get purge && apt-get clean
+
+ARG NB_USER=jovyan
+ARG NB_UID=1000
+ARG HOME=/home/jovyan
+
+ENV LANG C.UTF-8
+
+RUN adduser --disabled-password \
+    --gecos "Default user" \
+    --uid ${NB_UID} \
+    --home ${HOME} \
+    --force-badname \
+    ${NB_USER}
+
+ADD requirements.txt /tmp/requirements.txt
+ADD jupyterhub_config.py /srv/jupyterhub/jupyterhub_config.py
+
+RUN PYCURL_SSL_LIBRARY=openssl pip3 install --no-cache-dir \
+         -r /tmp/requirements.txt \
+         $(bash -c 'if [[ $JUPYTERHUB_VERSION == "git"* ]]; then \
+            echo ${JUPYTERHUB_VERSION}; \
+          else \
+            echo jupyterhub==${JUPYTERHUB_VERSION}; \
+          fi')
+
+WORKDIR /srv/jupyterhub
+
+# So we can actually write a db file here
+RUN chown ${NB_USER}:${NB_USER} /srv/jupyterhub
+
+# JupyterHub API port
+EXPOSE 8081
+
+USER ${NB_USER}
+#CMD ["jupyterhub"]
+CMD ["jupyterhub", "--config", "/srv/jupyterhub/jupyterhub_config.py"]