FROM rust:1.93 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

# Runtime image with postgresql-client tooling available
FROM debian:bookworm-slim
RUN apt-get update && \
	apt-get install -y --no-install-recommends postgresql-client ca-certificates && \
	rm -rf /var/lib/apt/lists/*

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

WORKDIR /

ENTRYPOINT ["/usr/local/bin/pg-instance-handler"]