Dockerfile


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# Stalwart Dockerfile
# Credits: https://github.com/33KK 

FROM --platform=$BUILDPLATFORM docker.io/lukemathwalker/cargo-chef:latest-rust-slim-bookworm AS chef
WORKDIR /build

FROM --platform=$BUILDPLATFORM chef AS planner
COPY . .
RUN cargo chef prepare --recipe-path /recipe.json

FROM --platform=$BUILDPLATFORM chef AS builder
ARG TARGETPLATFORM
RUN case "${TARGETPLATFORM}" in \
    "linux/arm64") echo "aarch64-unknown-linux-gnu" > /target.txt && echo "-C linker=aarch64-linux-gnu-gcc" > /flags.txt ;; \
    "linux/amd64") echo "x86_64-unknown-linux-gnu" > /target.txt && echo "-C linker=x86_64-linux-gnu-gcc" > /flags.txt ;; \
    *) exit 1 ;; \
    esac
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -yq build-essential libclang-16-dev \
    g++-aarch64-linux-gnu binutils-aarch64-linux-gnu \
    g++-x86-64-linux-gnu binutils-x86-64-linux-gnu
RUN rustup target add "$(cat /target.txt)"
COPY --from=planner /recipe.json /recipe.json
RUN RUSTFLAGS="$(cat /flags.txt)" cargo chef cook --target "$(cat /target.txt)" --release --recipe-path /recipe.json
COPY . .
RUN RUSTFLAGS="$(cat /flags.txt)" cargo build --target "$(cat /target.txt)" --release -p mail-server -p stalwart-cli
RUN mv "/build/target/$(cat /target.txt)/release" "/output"

FROM docker.io/debian:bookworm-slim
WORKDIR /opt/stalwart-mail
RUN export DEBIAN_FRONTEND=noninteractive && \
    apt-get update && \
    apt-get install -yq ca-certificates
COPY --from=builder /output/stalwart-mail /usr/local/bin
COPY --from=builder /output/stalwart-cli /usr/local/bin
COPY ./resources/docker/entrypoint.sh /usr/local/bin/entrypoint.sh
RUN chmod -R 755 /usr/local/bin
CMD ["/usr/local/bin/stalwart-mail"]
VOLUME [ "/opt/stalwart-mail" ]
EXPOSE	443 25 587 465 143 993 4190 8080
ENTRYPOINT ["/bin/sh", "/usr/local/bin/entrypoint.sh"]