FROM python:3.12-slim

# Playwright/Chromium system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    # Chromium dependencies
    libnss3 \
    libnspr4 \
    libatk1.0-0 \
    libatk-bridge2.0-0 \
    libcups2 \
    libdrm2 \
    libxkbcommon0 \
    libxcomposite1 \
    libxdamage1 \
    libxrandr2 \
    libgbm1 \
    libpango-1.0-0 \
    libcairo2 \
    libasound2 \
    libatspi2.0-0 \
    libxshmfence1 \
    # Font rendering
    fonts-liberation \
    fontconfig \
    # General utilities
    wget \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Set browser path BEFORE install so Playwright puts browsers here
ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright

# Install Playwright Chromium browser + all required system deps
RUN playwright install --with-deps chromium

# Copy application code
COPY app/ ./app/

# Copy static assets (fonts & images used for PDF rendering)
COPY fonts/ ./fonts/
COPY images/ ./images/

# Copy env example as fallback
COPY .env.example .env.example

# Hugging Face Spaces uses port 7860 by default
ENV PORT=7860
EXPOSE 7860

# Production command — single worker to stay within HF Spaces memory limits
# Playwright + Chromium is memory-heavy; 2 workers causes OOM restarts
CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-7860} --workers 1 --timeout-keep-alive 120"]