pyodide/Dockerfile-prebuilt

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ARG VERSION
FROM pyodide/pyodide-env:${VERSION}
USER root
ENV EMSDK_NUM_CORES=4 EMCC_CORES=4 PYODIDE_JOBS=4
COPY . pyodide
# the rm at the end deletes the build results such that the resulting image can still be used for building pyodide
# from source (including partial and customized builds). Due to the previous run of make, builds
# executed with this image will be much faster than the ones executed with pyodide-env
RUN cd pyodide && PYODIDE_PACKAGES='*' make && rm -r ./build