FROM python:3.9-slim

# Install necessary system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    build-essential \
    libffi-dev \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

# Create a directory for NLTK data and set permissions
RUN mkdir -p /app/nltk_data && chown -R 1000:1000 /app/nltk_data
RUN mkdir -p /app/plots && chown -R 1000:1000 /app


# Set environment variable for NLTK data
ENV NLTK_DATA=/app/nltk_data

# Set the working directory
WORKDIR /app

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

# Copy application code
COPY . .

# Expose port
EXPOSE 7860

# Command to run the FastAPI application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]