| # --- STEP 1: Build Stage --- | |
| FROM node:20 AS builder | |
| # Enable pnpm | |
| RUN corepack enable && corepack prepare pnpm@latest --activate | |
| WORKDIR /app | |
| # 1. Copy package files | |
| COPY package.json pnpm-lock.yaml* ./ | |
| # 2. IMPORTANT: Copy the patches folder so pnpm can find the wouter patch | |
| COPY patches/ ./patches/ | |
| # 3. Install dependencies | |
| RUN pnpm install --no-frozen-lockfile | |
| # 4. Copy the rest of the source code | |
| COPY . . | |
| # 5. Build the frontend (Vite) | |
| RUN pnpm run build | |
| # --- STEP 2: Runtime Stage --- | |
| FROM node:20-slim | |
| WORKDIR /app | |
| # Copy everything from the builder stage | |
| COPY --from=builder /app . | |
| # Hugging Face Spaces must listen on port 7860 | |
| EXPOSE 7860 | |
| ENV PORT=7860 | |
| ENV NODE_ENV=production | |
| # Start the application | |
| CMD ["npm", "start"] |