FROM rust:1.92 AS builder

RUN rustup target add x86_64-unknown-linux-musl
RUN apt-get update && apt-get install -y musl-tools && rm -rf /var/lib/apt/lists/*

WORKDIR /usr/src/app

COPY ./Cargo.toml ./Cargo.lock ./
COPY ./src ./src

RUN cargo build --release --target x86_64-unknown-linux-musl

FROM scratch

COPY --from=builder /usr/src/app/target/x86_64-unknown-linux-musl/release/pg-instance-handler /pg-instance-handler

CMD ["/pg-instance-handler"]