Dockerfile

FROM python:3.9

# Set environment variables
ENV MPLCONFIGDIR /tmp/matplotlib-cache
ENV NLTK_DATA /nltk_data
ENV FONTCONFIG_PATH=/tmp/fontconfig-cache

# Create writable directories
RUN mkdir -p /tmp/matplotlib-cache /nltk_data \
    && chmod 777 /tmp/matplotlib-cache /nltk_data
RUN mkdir -p $FONTCONFIG_PATH && chmod 777 $FONTCONFIG_PATH
# Set the working directory
WORKDIR /

# Copy requirements.txt and install dependencies
COPY ./requirements.txt /requirements.txt
RUN pip install --no-cache-dir --upgrade -r /requirements.txt

# Copy the rest of the application files
COPY . .

# Expose the required port
EXPOSE 7860

# Run the application with Gunicorn
CMD ["gunicorn", "-w", "1", "-b", "0.0.0.0:7860", "app:app"]