FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    gcc \
    libasound2-dev \
    espeak \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Download spaCy model
RUN python -m spacy download en_core_web_sm

# Copy application code
COPY . .

# Create upload directory
RUN mkdir -p uploads

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PORT=5000
ENV HF_MODEL="mistralai/Mistral-7B-Instruct-v0.2"

# Expose the port the app runs on
EXPOSE 5000

# Command to run the application
CMD ["python", "app.py"]