FROM lukemathwalker/cargo-chef:latest-rust-1 AS chef

RUN apt-get update && \
    apt-get install -y build-essential

WORKDIR /app

FROM chef AS planner
COPY . .
RUN cargo chef prepare --recipe-path recipe.json

FROM chef AS builder 
COPY --from=planner /app/recipe.json recipe.json
# Build dependencies - this is the caching Docker layer!
RUN cargo chef cook --release --recipe-path recipe.json
# Build application
COPY . .
RUN cargo build

FROM debian:bookworm-slim
COPY --from=builder /app/target/release/pgcat /usr/bin/pgcat
COPY --from=builder /app/pgcat.toml /etc/pgcat/pgcat.toml
WORKDIR /etc/pgcat
ENV RUST_LOG=info
CMD ["pgcat"]