# Multi-stage Dockerfile for Hugging Face Spaces
# - Builds the client with Vite
# - Bundles the server with esbuild (via npm run build)
# - Serves on PORT (default 7860) from dist/index.js

############################
# Builder stage
############################
FROM node:20-bookworm-slim AS builder

WORKDIR /app

# Install system deps needed for native builds (e.g., bcrypt)
RUN apt-get update \
  && apt-get install -y --no-install-recommends \
    python3 \
    make \
    g++ \
  && rm -rf /var/lib/apt/lists/*

# Copy dependency manifests first for better caching
COPY package.json package-lock.json ./

# Install all deps (including devDeps to build)
RUN npm ci

# Copy the rest of the project
COPY . .

# Build client and server to dist/
RUN npm run build

############################
# Runtime stage
############################
FROM node:20-bookworm-slim AS runner

ENV NODE_ENV=production
ENV PORT=7860
WORKDIR /app

# Copy only the runtime artifacts
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/uploads ./uploads

# Ensure uploads directory exists and is writable
RUN mkdir -p /app/uploads && chmod -R 777 /app/uploads

# Expose the Space port (Hugging Face sets PORT env var)
EXPOSE 7860

# Start the server (listens on 0.0.0.0:${PORT})
CMD ["npm", "run", "start"]