Dockerfile.arm32

FROM --platform=$BUILDPLATFORM rust:1.50.0-slim-buster AS fetcher

ENV HOME /root

WORKDIR /gatekeeper

RUN cargo init

COPY src            src
COPY rust-toolchain .
COPY Cargo.toml     .
COPY Cargo.lock     .

RUN mkdir -p /gatekeeper/.cargo && cargo vendor > /gatekeeper/.cargo/config

# hadolint ignore=DL3007
FROM --platform=$BUILDPLATFORM balenalib/rpi-raspbian:latest AS builder

ENV HOME /root

WORKDIR /gatekeeper

COPY src            src
COPY rust-toolchain .
COPY Cargo.toml     .
COPY Cargo.lock     .
COPY --from=fetcher /gatekeeper/.cargo /gatekeeper/.cargo
COPY --from=fetcher /gatekeeper/vendor /gatekeeper/vendor

RUN update-ca-certificates -f && \
    curl -sSfL https://sh.rustup.rs > rustup.sh && \
    sh rustup.sh -y --default-toolchain none --profile minimal && \
    rm -f rustup.sh

ENV PATH $HOME/.cargo/bin:$PATH

RUN apt-get update && \
    apt-get install -y --no-install-recommends build-essential=* && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

ENV RUSTFLAGS "-Clinker=arm-linux-gnueabihf-gcc"

ARG TARGET=arm-unknown-linux-gnueabihf

RUN rustup target add "$TARGET" && \
    cargo build --target "$TARGET" --release --offline && \
    cp "target/$TARGET/release/gatekeeperd" /

# hadolint ignore=DL3007
FROM --platform=$TARGETPLATFORM balenalib/rpi-raspbian:latest AS runner

COPY --from=builder /gatekeeperd /

RUN apt-get update && \
    apt-get install -y --no-install-recommends avahi-daemon=* dbus=* libnss-mdns=* && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

EXPOSE 1080

ENV RUST_LOG gatekeeper=info

COPY entrypoint.sh /

ENTRYPOINT ["/entrypoint.sh"]