FROM rust:1-slim AS builder

RUN apt-get update && apt-get install -y pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy workspace files
COPY Cargo.toml Cargo.lock ./
COPY crates/knowfoolery-shared/Cargo.toml crates/knowfoolery-shared/Cargo.toml
COPY crates/knowfoolery-server/Cargo.toml crates/knowfoolery-server/Cargo.toml

# Create stub files for dependency caching
RUN mkdir -p crates/knowfoolery-shared/src && echo "pub fn stub() {}" > crates/knowfoolery-shared/src/lib.rs
RUN mkdir -p crates/knowfoolery-server/src && echo "fn main() {}" > crates/knowfoolery-server/src/main.rs
RUN mkdir -p crates/knowfoolery-server/migrations && touch crates/knowfoolery-server/migrations/.keep

# Build dependencies only
RUN cargo build --release 2>/dev/null || true

# Copy real source
COPY crates/ crates/

# Touch to invalidate cache
RUN touch crates/knowfoolery-shared/src/lib.rs crates/knowfoolery-server/src/main.rs

RUN cargo build --release

FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*

COPY --from=builder /app/target/release/knowfoolery-server /usr/local/bin/

EXPOSE 3000

CMD ["knowfoolery-server"]