Dockerfile

# Dockerfile — Heroku container stack (Dockerfile + heroku.yml)
FROM python:3.12-slim

ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# System libraries required by Chromium + common fonts
RUN apt-get update && apt-get install -y --no-install-recommends \
    libglib2.0-0 libnss3 libnspr4 libatk1.0-0 libatk-bridge2.0-0 libcups2 \
    libdrm2 libxkbcommon0 libxcomposite1 libxdamage1 libxfixes3 libxrandr2 \
    libgbm1 libasound2 fonts-dejavu fonts-liberation wget ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python deps first (better layer caching)
COPY requirements.txt .
RUN pip install -r requirements.txt

# Install Playwright Chromium into a fixed path baked into the image
ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
RUN mkdir -p /ms-playwright && \
    python -m playwright install chromium && \
    chmod -R a+rX /ms-playwright

# Add application code
COPY . .

# Start the server; Heroku provides $PORT at runtime
CMD ["sh", "-c", "uvicorn app:APP --host 0.0.0.0 --port ${PORT:-8080}"]