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FROM debian:trixie
# enable more components and update repos
RUN apt update -y
# install libraries
RUN apt install -y \
libasound2-dev \
libpulse-dev \
libwayland-dev \
libxrandr-dev \
libxinerama-dev \
libxcursor-dev \
libxi-dev \
libxkbcommon-dev \
libsdl2-dev \
libclang-dev
# Install build tools
RUN apt install -y \
rustup \
gcc \
g++ \
cmake \
git \
xz-utils
# Install emscripten
RUN git clone https://github.com/emscripten-core/emsdk.git /emsdk
RUN /emsdk/emsdk install latest
RUN /emsdk/emsdk activate latest
# add build user
RUN useradd -u 1000 -m builder -d /home/builder
USER builder
# Install rust and toolchain
RUN rustup default stable
RUN rustup target add wasm32-unknown-emscripten
# set emscripten env
ENV RUSTFLAGS="-C panic=unwind"
ENV EMCC_CFLAGS="-O3 -sUSE_GLFW=3 -sASSERTIONS=1 -sWASM=1 -sASYNCIFY -sGL_ENABLE_GET_PROC_ADDRESS=1 -sEXPORTED_RUNTIME_METHODS=HEAPF32,ccall,cwrap"
ENV EMSDK=/emsdk
ENV EMSDK_NODE=/emsdk/node/22.16.0_64bit/bin/node
ENV PATH="${EMSDK}/upstream/bin:${EMSDK}/upstream/emscripten:${EMSDK_NODE}:${PATH}"
# build the code
VOLUME /data
WORKDIR /data
CMD ["cargo", "build", "--target", "wasm32-unknown-emscripten", "--release"]
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