# cross-build environment
FROM rustembedded/cross:x86_64-unknown-linux-musl AS x86_64-builder

ARG UID=991
ARG GID=991

ENV \
 TOOLCHAIN=stable \
 TARGET=x86_64-unknown-linux-musl \
 TOOL=x86_64-linux-musl \
 BUILD_MODE=release

RUN \
 apt-get update && \
 apt-get upgrade -y

RUN \
 addgroup --gid "${GID}" build && \
 adduser \
    --disabled-password \
    --gecos "" \
    --ingroup build \
    --uid "${UID}" \
    --home /opt/build \
    build

ADD https://sh.rustup.rs /opt/build/rustup.sh

RUN \
 chown -R build:build /opt/build

USER build
WORKDIR /opt/build

ENV PATH=/opt/build/.cargo/bin:/usr/local/musl/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

RUN \
 chmod +x rustup.sh && \
 ./rustup.sh --default-toolchain $TOOLCHAIN --profile minimal -y && \
 rustup target add $TARGET

# build script
FROM x86_64-builder as builder

ARG TAG=main
ARG GIT_REPOSITORY=https://git.asonix.dog/asonix/pict-rs
ARG BINARY=pict-rs

ADD \
 --chown=build:build \
 $GIT_REPOSITORY/archive/$TAG.tar.gz \
 /opt/build/$TAG.tar.gz

USER build

RUN \
 tar zxf $TAG.tar.gz

WORKDIR /opt/build/pict-rs

RUN \
 USER=build cargo build --target $TARGET --$BUILD_MODE && \
 $TOOL-strip target/$TARGET/$BUILD_MODE/$BINARY

# production environment
FROM amd64/alpine:3.14

ARG UID=991
ARG GID=991
ARG BINARY=pict-rs
ARG BUILD_MODE=release

COPY --from=builder \
 /opt/build/pict-rs/target/x86_64-unknown-linux-musl/$BUILD_MODE/$BINARY \
 /usr/local/bin/$BINARY

RUN \
 apk add tini ffmpeg imagemagick exiv2 && \
 addgroup -g $GID pictrs && \
 adduser -D -G pictrs -u $UID -g "" -h /opt/pict-rs pictrs

RUN \
 chown -R pictrs:pictrs /mnt

COPY root/ /

VOLUME /mnt
WORKDIR /opt/pict-rs
USER pictrs
EXPOSE 8080
ENTRYPOINT ["/sbin/tini", "--"]
CMD ["/usr/local/bin/pict-rs", "-p", "/mnt"]