# Multi-stage Dockerfile for the Normogen frontend server.
#
# Stage 1: Build the Vite SPA bundle.
# Stage 2: Build the Axum frontend-server binary.
# Stage 3: Slim runtime with the binary + static files.

# ============================================================================
# Stage 1: Node — build the Vite SPA
# ============================================================================
FROM node:20-slim AS node-builder

WORKDIR /app

# Copy package files and install deps.
COPY web/normogen-web/package.json web/normogen-web/package-lock.json ./
RUN npm ci

# Copy the source and build.
COPY web/normogen-web/ ./
RUN npm run build

# ============================================================================
# Stage 2: Rust — build the frontend-server binary
# ============================================================================
FROM rust:latest AS rust-builder

WORKDIR /server

# Copy the frontend-server crate.
COPY web/frontend-server/ ./

# Build release.
RUN cargo build --release

# ============================================================================
# Stage 3: Runtime — slim image with binary + static files
# ============================================================================
FROM rust:latest-slim

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

WORKDIR /app

# Copy the frontend-server binary.
COPY --from=rust-builder /server/target/release/normogen-frontend-server /app/frontend-server

# Copy the built static files.
COPY --from=node-builder /app/dist /app/dist

EXPOSE 8080

CMD ["./frontend-server"]