Add Dockerfile

Dockerfile

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+# Set things up
+FROM alpine:latest as build
+ARG VER=3.0.2
+ARG COSMO=cosmos-$VER.zip
+RUN wget https://github.com/jart/cosmopolitan/releases/download/$VER/$COSMO
+WORKDIR cosmo
+RUN unzip ../$COSMO bin/ape.elf bin/assimilate bin/bash bin/python bin/zip
+RUN mkdir Lib
+COPY scrapscript.py Lib
+RUN bin/ape.elf bin/python -m compileall Lib
+RUN mv Lib/__pycache__/scrapscript*.pyc Lib/scrapscript.pyc
+RUN rm Lib/scrapscript.py
+RUN sh bin/zip -A -r bin/python Lib
+RUN bin/ape.elf bin/assimilate bin/python
+
+# Set up the container
+FROM scratch
+COPY --from=build /cosmo/bin/python .
+EXPOSE 8000
+ENTRYPOINT ["./python", "-m", "scrapscript"]
+CMD ["repl"]