Use MCR image for hosting on Binder

.gitattributes

@@ -2,5 +2,5 @@
 # Set default behavior to automatically normalize line endings.
 ###############################################################################
 * text=auto
-*.sh text eol=lf
+*.sh text -crlf eol=lf
 

Dockerfile

@@ -1,98 +1,31 @@
-# The same image used by mybinder.org
-FROM python:3.7-slim
+# We use the iqsharp-base image, as that includes
+# the .NET Core SDK, IQ#, and Jupyter Notebook already
+# installed for us.
+FROM mcr.microsoft.com/quantum/iqsharp-base:0.8.1907.1701
 
-# install qsharp and the notebook packages
-RUN pip install --no-cache --upgrade pip && \
-    pip install --no-cache notebook qsharp==0.7.1905.3109
-
-# pre-requisites for .NET SDK
-RUN apt-get update && apt-get -y install wget && \
-    apt-get update && apt-get -y install pgp && \
-    apt-get update && apt-get -y install libgomp1 && \
-# add vim for editing local files:
-    apt-get update && apt-get -y install vim
-
-# install .NET SDK 2.2
-RUN wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.asc.gpg && \
-    mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/ && \
-    wget -q https://packages.microsoft.com/config/debian/9/prod.list && \
-    mv prod.list /etc/apt/sources.list.d/microsoft-prod.list && \
-    chown root:root /etc/apt/trusted.gpg.d/microsoft.asc.gpg && \
-    chown root:root /etc/apt/sources.list.d/microsoft-prod.list && \
-    apt-get -y install apt-transport-https && \
-    apt-get -y update && \
-    apt-get -y install dotnet-sdk-2.2
-
-# create user with a home directory
-# Required for mybinder.org
-ARG NB_USER=jovyan
-ARG NB_UID=1000
-ENV USER=${NB_USER} \
-    HOME=/home/${NB_USER}
-
-RUN adduser --disabled-password \
-    --gecos "Default user" \
-    --uid ${NB_UID} \
-    ${NB_USER}
-WORKDIR ${HOME}
-USER ${USER}
-
-# Make sure .net tools is in the path
-ENV PATH=$PATH:${HOME}/dotnet:${HOME}/.dotnet/tools \
-    DOTNET_ROOT=${HOME}/dotnet \
-    IQSHARP_HOSTING_ENV=KATAS_DOCKERFILE
-
-# install IQSharp
-RUN dotnet tool install -g Microsoft.Quantum.IQSharp --version 0.7.1905.3109
-RUN dotnet iqsharp install --user --path-to-tool="$(which dotnet-iqsharp)"
+# Add metadata indicating that this image is used for the katas.
+ENV IQSHARP_HOSTING_ENV=KATAS_DOCKERFILE
 
 # Make sure the contents of our repo are in ${HOME}
 # Required for mybinder.org
 COPY . ${HOME}
 USER root
-RUN chown -R ${NB_UID} ${HOME}
-USER ${NB_USER}
+RUN chown -R ${USER} ${HOME} && \
+    chmod +x ${HOME}/build/*.sh
+USER ${USER}
 
 # Pre-exec notebooks to improve first-use start time
-RUN dotnet build BasicGates
-RUN jupyter nbconvert BasicGates/BasicGates.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build CHSHGame
-RUN jupyter nbconvert CHSHGame/CHSHGame.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build DeutschJozsaAlgorithm
-RUN jupyter nbconvert DeutschJozsaAlgorithm/DeutschJozsaAlgorithm.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build GHZGame
-RUN jupyter nbconvert GHZGame/GHZGame.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build GroversAlgorithm
-RUN jupyter nbconvert GroversAlgorithm/GroversAlgorithm.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build JointMeasurements
-RUN jupyter nbconvert JointMeasurements/JointMeasurements.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build MagicSquareGame
-RUN jupyter nbconvert MagicSquareGame/MagicSquareGame.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build Measurements
-RUN jupyter nbconvert Measurements/Measurements.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build QEC_BitFlipCode
-RUN jupyter nbconvert QEC_BitFlipCode/QEC_BitFlipCode.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build SolveSATWithGrover
-RUN jupyter nbconvert SolveSATWithGrover/SolveSATWithGrover.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build SuperdenseCoding
-RUN jupyter nbconvert SuperdenseCoding/SuperdenseCoding.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build Superposition
-RUN jupyter nbconvert Superposition/Superposition.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build Teleportation
-RUN jupyter nbconvert Teleportation/Teleportation.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
-RUN dotnet build tutorials/DeutschJozsaAlgorithm
-RUN jupyter nbconvert tutorials/DeutschJozsaAlgorithm/DeutschJozsaAlgorithmTutorial.ipynb --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120
-
+RUN ${HOME}/build/prebuild-kata.sh BasicGates
+RUN ${HOME}/build/prebuild-kata.sh CHSHGame
+RUN ${HOME}/build/prebuild-kata.sh DeutschJozsaAlgorithm
+RUN ${HOME}/build/prebuild-kata.sh GHZGame
+RUN ${HOME}/build/prebuild-kata.sh GroversAlgorithm
+RUN ${HOME}/build/prebuild-kata.sh JointMeasurements
+RUN ${HOME}/build/prebuild-kata.sh MagicSquareGame
+RUN ${HOME}/build/prebuild-kata.sh Measurements
+RUN ${HOME}/build/prebuild-kata.sh QEC_BitFlipCode
+RUN ${HOME}/build/prebuild-kata.sh SolveSATWithGrover
+RUN ${HOME}/build/prebuild-kata.sh SuperdenseCoding
+RUN ${HOME}/build/prebuild-kata.sh Superposition
+RUN ${HOME}/build/prebuild-kata.sh Teleportation
+RUN ${HOME}/build/prebuild-kata.sh tutorials/DeutschJozsaAlgorithm DeutschJozsaAlgorithmTutorial.ipynb

build/prebuild-kata.sh

@@ -0,0 +1,8 @@
+# prebuild-kata.sh <kata-folder> <kata-notebook>
+KATA_FOLDER=$1
+KATA_NOTEBOOK=${2:-$1.ipynb}
+
+echo "Prebuilding: $KATA_NOTEBOOK in $KATA_FOLDER kata..."
+
+dotnet build $KATA_FOLDER
+jupyter nbconvert $KATA_FOLDER/$KATA_NOTEBOOK --execute --stdout --to markdown  --allow-errors  --ExecutePreprocessor.timeout=120