FROM rust:1-alpine as builder

ENV CARGO_REGISTRIES_CRATES_IO_PROTOCOL sparse

RUN apk add --no-cache musl-dev

WORKDIR /home/rust/src

COPY Cargo.toml /home/rust/src/
COPY Cargo.lock /home/rust/src/
RUN mkdir /home/rust/src/src && \
    echo 'fn main() {}' > /home/rust/src/src/main.rs

RUN cargo fetch
RUN cargo build --release

RUN rm -f /home/rust/src/src/main.rs
COPY src /home/rust/src/src
RUN touch /home/rust/src/src/main.rs

RUN cargo build -v --release

FROM scratch

COPY static /static
COPY templates /templates
COPY  --from=builder /home/rust/src/target/release/qchgk_web /

EXPOSE 8088/tcp

ENTRYPOINT ["/qchgk_web"]