L2SS-345: Support "download pdf" options in Jupyter

L2SS-345: Make sure the browser spawned by pyppeteer actually runs correctly, and that we install pyppeteer as the user that will run jupyter

Closes L2SS-345

docker-compose/jupyter/Dockerfile

@@ -5,12 +5,31 @@ FROM ${SOURCE_IMAGE}
 # that are needed for temporary storage the proper owner and access rights.
 ARG CONTAINER_EXECUTION_UID=1000
 
+# Create homedir
+ENV HOME=/home/user
+RUN sudo mkdir -p ${HOME}
+RUN sudo chown ${CONTAINER_EXECUTION_UID} -R ${HOME}
+USER ${CONTAINER_EXECUTION_UID}
+
 RUN sudo pip3 install jupyter
 RUN sudo pip3 install ipykernel
 RUN sudo pip3 install jupyter_bokeh
 # Install matplotlib, jupyterplot
 RUN sudo pip3 install matplotlib jupyterplot
 
+# Allow Download as -> PDF via html
+RUN sudo pip3 install nbconvert
+RUN sudo pip3 install notebook-as-pdf
+# pyppeteer-install installs in the homedir, so run it as the user that will execute the notebook
+RUN pyppeteer-install
+
+# see https://github.com/jupyter/nbconvert/issues/1434
+RUN sudo bash -c "echo DEFAULT_ARGS += [\\\"--no-sandbox\\\"] >> /usr/local/lib/python3.7/dist-packages/pyppeteer/launcher.py"
+RUN sudo apt-get install -y gconf-service libasound2 libatk1.0-0 libatk-bridge2.0-0 libc6 libcairo2 libcups2 libdbus-1-3 libexpat1 libfontconfig1 libgcc1 libgconf-2-4 libgdk-pixbuf2.0-0 libglib2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libpangocairo-1.0-0 libstdc++6 libx11-6 libx11-xcb1 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 ca-certificates fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils wget libcairo-gobject2 libxinerama1 libgtk2.0-0 libpangoft2-1.0-0 libthai0 libpixman-1-0 libxcb-render0 libharfbuzz0b libdatrie1 libgraphite2-3 libgbm1
+
+# Allow Download as -> PDF via LaTeX
+RUN sudo apt-get install -y texlive-xetex texlive-fonts-recommended texlive-latex-recommended
+
 # Configure jupyter_bokeh
 RUN sudo mkdir -p /usr/share/jupyter /usr/etc
 RUN sudo chmod a+rwx /usr/share/jupyter /usr/etc
@@ -19,6 +38,7 @@ RUN sudo jupyter nbextension enable jupyter_bokeh --py --sys-prefix
 
 # Install profiles for ipython & jupyter
 COPY ipython-profiles /opt/ipython-profiles/
+RUN sudo chown ${CONTAINER_EXECUTION_UID} -R /opt/ipython-profiles
 COPY jupyter-kernels /usr/local/share/jupyter/kernels/
 
 # Install patched jupyter executable
@@ -34,8 +54,3 @@ ENV JUPYTER_RUNTIME_DIR=/tmp
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /usr/bin/tini
 RUN sudo chmod +x /usr/bin/tini
 
-# Make sure Jupyter can write to the home directory
-ENV HOME=/home/user
-RUN sudo mkdir -p ${HOME}
-RUN sudo chown ${CONTAINER_EXECUTION_UID} -R ${HOME}
-RUN sudo chown ${CONTAINER_EXECUTION_UID} -R /opt/ipython-profiles