# Stage 1: Build frontend
FROM node:22-slim AS frontend
WORKDIR /app/ui/colony
COPY ui/colony/package.json ui/colony/package-lock.json ./
RUN npm ci
COPY ui/colony/ .
RUN npm run build

# Stage 2: Build backend (with dependency caching)
FROM rust:1.86-slim AS backend
RUN apt-get update && apt-get install -y pkg-config libssl-dev && rm -rf /var/lib/apt/lists/*
WORKDIR /app

# Cache dependency build: copy manifests + migrations, create stub sources
COPY Cargo.toml Cargo.lock ./
COPY crates/colony-types/Cargo.toml crates/colony-types/Cargo.toml
COPY crates/colony/Cargo.toml crates/colony/Cargo.toml
COPY crates/colony/migrations crates/colony/migrations
RUN mkdir -p crates/colony-types/src crates/colony/src \
    && echo "fn main() {}" > crates/colony/src/main.rs \
    && echo "" > crates/colony-types/src/lib.rs \
    && cargo build --release -p colony 2>/dev/null || true \
    && rm -rf target/release/colony target/release/deps/colony-* \
    && rm crates/colony/src/main.rs crates/colony-types/src/lib.rs

# Now copy real source and build (deps already cached, binary removed so cargo rebuilds)
COPY crates/ crates/
RUN cargo build --release -p colony

# Stage 3: Runtime
FROM debian:bookworm-slim
RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
WORKDIR /app

COPY --from=backend /app/target/release/colony /app/colony
COPY --from=frontend /app/ui/colony/dist /app/static

ENV PORT=3001
ENV DATABASE_URL=sqlite:/data/colony.db?mode=rwc
EXPOSE 3001

CMD ["/app/colony"]