Docker benchmarking for Shane

docker.sh

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+#!/bin/bash
+
+IMAGE=cnorthwood/aoc
+
+docker image inspect $IMAGE >/dev/null 2>&1
+if [ $? -ne 0 ]
+then
+    echo "One time setup: building docker image..."
+    cd docker
+    docker build . -t $IMAGE
+    cd ..
+fi
+
+docker run --rm -it $IMAGE /entrypoint.sh $@

docker/Dockerfile

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+FROM pypy:3
+
+ADD entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+RUN mkdir /code
+RUN chown nobody /code
+
+USER nobody
+
+RUN git clone https://github.com/cnorthwood/adventofcode.git /code
+CMD /entrypoint.sh

docker/entrypoint.sh

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+#!/bin/bash
+
+set +ex
+
+YEAR="${1}"
+DAY="${2}"
+
+cd /code
+git pull
+git checkout ${YEAR}day${DAY}
+
+time sh -c './part1.py; ./part2.py'