#syntax=docker/dockerfile:1

##
## Build
##
FROM rust:1-slim AS build
LABEL org.opencontainers.image.authors="Sangbum Kim <sangbumkim@amuz.es>"

# set the workdir and copy the source into it
WORKDIR /app
COPY . /app

# ENV RUSTFLAGS='-C link-arg=-s -C linker=rust-lld  -C link-arg=-fuse-ld=lld'
# ENV RUSTFLAGS='-C link-arg=-s -C link-arg=-fuse-ld=lld'
# ENV RUSTFLAGS='-C target-feature=+crt-static -C link-arg=-s -C link-args=-nostartfiles -C link-arg=-nostdlib'
# ENV RUSTFLAGS='-C target-feature=+crt-static -C link-arg=-s'
# ENV RUSTFLAGS='-C target-feature=+crt-static -C link-arg=-s'
# ENV RUSTFLAGS='-C target-feature=+crt-static -C link-arg=-static -C link-arg=-s'
# ENV RUSTFLAGS='-C target-feature=+crt-static -C link-arg=-static -C link-arg=-s -C link-arg=-fuse-ld=lld'
# ENV RUSTFLAGS='-C target-feature=+crt-static -C link-arg=-s -C link-arg=-fuse-ld=lld'

# do a release build
RUN set -x && \
    cargo build --release && \
    ldd target/release/init-wrapper

#RUN --mount=type=bind,rw,source=.,target=/host \
#    cp -avf target/release/init-wrapper /host/init-wrapper


FROM scratch
COPY --from=build /app/target/release/init-wrapper /init-wrapper