Dockerfile

# Compilation stage
FROM --platform=$BUILDPLATFORM rust:slim-buster AS build

ARG TARGETOS TARGETARCH

RUN apt-get update && apt-get install -y git pkg-config

RUN /bin/bash -c "if [ "${TARGETARCH}" == "arm64" ]; then apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu ; else apt-get install -y gcc-x86-64-linux-gnu g++-x86-64-linux-gnu ; fi"

WORKDIR /usr/src/myapp
COPY . .

RUN --mount=type=cache,target=/usr/local/cargo/registry \
    ./scripts/build_dist_release.sh ${TARGETOS} ${TARGETARCH}

RUN mkdir -p xfer/examples
RUN ls -dR target/*/release/examples/* | grep -vE '^.*/[a-z_]+\-.*$' | grep -vE '^.*\.d$' | xargs -I{} cp {} xfer/examples/
RUN mkdir -p xfer/example_utils && cp hydroflow/example_utils/* xfer/example_utils/.

# Runtime stage
FROM rust:slim-buster

RUN apt-get update && apt-get install -y python3

WORKDIR /usr/src/myapp
COPY --from=build /usr/src/myapp/xfer/examples/* .
RUN mkdir -p example_utils
COPY --from=build /usr/src/myapp/xfer/example_utils/* ./example_utils/.