FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# system deps for building some packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# copy requirements first for caching
COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

# copy app
COPY . /app

EXPOSE 5000

# default command runs the webapp; docker-compose will override for scraper service
CMD ["python", "webapp.py"]