# ── Stage 1: Build Svelte frontend ───────────────────────────────────────────
FROM node:20-alpine AS frontend-build

WORKDIR /app/frontend

COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci

COPY frontend/ .
RUN npm run build


# ── Stage 2: Python / Flask ───────────────────────────────────────────────────
FROM python:3.12-slim

# pdfplumber needs these system libs
RUN apt-get update && apt-get install -y --no-install-recommends \
    libpoppler-cpp-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY amex_parser.py amex_analyser.py app.py ./

# Copy the built frontend from Stage 1
COPY --from=frontend-build /app/frontend/dist ./frontend/dist

EXPOSE 5000

# Gunicorn for production (threaded, no debug mode)
CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "2", "--threads", "4", "--timeout", "120", "app:app"]