FROM python:3.8-slim-buster

# Install git
RUN apt-get update && \
    apt-get install -y git && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Clone CiteAs repo
RUN git clone https://github.com/ourresearch/citeas-api.git .

# Install dependencies
RUN pip install --upgrade pip && \
    pip install -r requirements.txt && \
    pip install "flask<2.3" "werkzeug<2.1"

# Create writable cache directory
RUN mkdir -p /app/cache

# Set environment variable so requests_cache stores cache in writable directory
ENV REQUESTS_CACHE_NAME=/app/cache/citeas_cache

# Expose port
EXPOSE 7860

# Start the app
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "views:app", "-w", "3"]