FROM rust:1-slim AS build
WORKDIR /src
COPY Cargo.toml Cargo.lock* ./
RUN mkdir src && echo "fn main() {}" > src/main.rs && cargo build --release && rm -rf src
COPY src src
RUN touch src/main.rs && cargo build --release

FROM debian:bookworm-slim
COPY --from=build /src/target/release/dungeoncraft-saves /usr/local/bin/dungeoncraft-saves
ENV SAVE_DIR=/data LISTEN=0.0.0.0:8080
VOLUME /data
EXPOSE 8080
CMD ["dungeoncraft-saves"]