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FROM ubuntu:20.04
# This is a workaround to avoid the interaction with tzdata.
ENV DEBIAN_FRONTEND=noninteractive
ENV TZ=America/New_York
RUN apt-get update
RUN apt-get install -y --no-install-recommends tzdata
RUN apt-get install -y --no-install-recommends \
ca-certificates \
curl \
gcc \
git \
libc6-dev \
libxml2 \
python3 \
python3-distutils \
xz-utils
COPY emscripten.sh /
RUN bash /emscripten.sh
ENV PATH=$PATH:/rust/bin \
CARGO_TARGET_ASMJS_UNKNOWN_EMSCRIPTEN_RUNNER=node
# `-g4` is used by default which causes a linking error.
# Using `-g3` not to generate a source map.
ENV EMCC_CFLAGS=-g3
COPY emscripten-entry.sh /
ENTRYPOINT ["/emscripten-entry.sh"]
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