1FROM ubuntu:20.04 2 3RUN apt-get update && \ 4 apt-get install -y --no-install-recommends \ 5 ca-certificates \ 6 curl \ 7 gcc \ 8 git \ 9 libc6-dev \ 10 libxml2 \ 11 python3 \ 12 python3-distutils \ 13 xz-utils 14 15COPY emscripten.sh / 16RUN bash /emscripten.sh 17 18ENV PATH=$PATH:/rust/bin \ 19 CARGO_TARGET_ASMJS_UNKNOWN_EMSCRIPTEN_RUNNER=node 20 21COPY emscripten-entry.sh / 22ENTRYPOINT ["/emscripten-entry.sh"] 23