# ---- Stage 1: Build ----
FROM rust:1.94-bookworm AS builder

ARG BUILD_TARGET=x86_64-unknown-linux-gnu
ENV TARGET=${BUILD_TARGET}

WORKDIR /build

# Copy workspace manifests
COPY Cargo.toml Cargo.lock ./
COPY libs/ libs/
COPY apps/static/ apps/static/

# Pre-build dependencies only
RUN cargo fetch

# Build the binary
RUN --mount=type=cache,target=/usr/local/cargo/registry \
    --mount=type=cache,target=/usr/local/cargo/git \
    --mount=type=cache,target=target \
    cargo build --release --package static-server --target ${TARGET}

# ---- Stage 2: Runtime ----
FROM debian:bookworm-slim AS runtime

RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY --from=builder /build/target/${TARGET}/release/static-server /app/static-server

ENV RUST_LOG=info
ENV STATIC_LOG_LEVEL=info
ENV STATIC_BIND=0.0.0.0:8081
ENV STATIC_ROOT=/data
ENV STATIC_CORS=true

EXPOSE 8081

ENTRYPOINT ["/app/static-server"]