# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory in the container
WORKDIR /app

# Create a writable directory for NLTK data
RUN mkdir -p /app/nltk_data && chmod -R 777 /app/nltk_data

# Copy the requirements file into the container
COPY requirements.txt .

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY . .

# Make port 5000 available to the world outside this container
EXPOSE 5000

# Define environment variable
ENV FLASK_APP=app.py

# Run the Flask app
CMD ["gunicorn", "-b", "0.0.0.0:7860","main:app"]