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

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

# Build dependencies: OpenSSL, libgit2, zlib, clang for sea-orm codegen
RUN apt-get update && apt-get install -y --no-install-recommends \
    pkg-config libssl-dev libclang-dev \
    gcc g++ make \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /build

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

# 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 app --target ${TARGET}

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

RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates libssl3 \
    && rm -rf /var/lib/apt/lists/*

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

# All config via environment variables (APP_* prefix)
ENV APP_LOG_LEVEL=info
ENTRYPOINT ["/app/app"]