FROM rust:alpine AS builder

RUN rustup default nightly

RUN apk add --no-cache musl-dev

WORKDIR /app

COPY Cargo.toml Cargo.lock ./

RUN mkdir src && \
    echo "fn main() {}" > src/main.rs && \
    cargo build --release && \
    rm -rf src

COPY src ./src
COPY html ./html

RUN cargo build --release

FROM scratch
COPY --from=builder /app/target/release/spotify-top-songs-playlist /spotify-top-songs-playlist
COPY --from=builder /lib/ld-musl-x86_64.so.1 /lib/ld-musl-x86_64.so.1

ENTRYPOINT ["/spotify-top-songs-playlist"]