FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    build-essential \
    libsndfile1 \
    && 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

# Clone and install NeMo
RUN git clone https://github.com/AI4Bharat/NeMo.git && \
    cd NeMo && \
    pip install -e .

# Copy application code
COPY main.py .

# Create directory for temporary files
RUN mkdir -p /tmp/audio_files

# Expose port
EXPOSE 8000

# Command to run the application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]