# --- FINAL Dockerfile for RAG Project ---

# Use a standard, lightweight Python image
FROM python:3.10-slim

# Set the working directory
WORKDIR /app

# Install ALL system dependencies in one go and clean up
# This includes git, espeak-ng, and ffmpeg
RUN apt-get update && apt-get install -y \
    git \
    espeak-ng \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

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

# Create a non-root user for better security
RUN useradd --create-home appuser

# Set the HOME environment variable for the new user
# This ensures the model cache is written to a directory with correct permissions
ENV HOME=/home/appuser

# Switch to the non-root user
USER appuser

# Copy the application code and set correct ownership
COPY --chown=appuser:appuser . .

# Expose the port Gradio will run on
EXPOSE 7860

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