Dockerfile

# Optimized Dockerfile for Hugging Face Spaces
# Using UV package manager for faster builds

FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

# Install UV for faster package management
RUN pip install uv

# Set working directory
WORKDIR /app

# Copy requirements first for better Docker layer caching
COPY requirements.txt .

# Install Python dependencies using UV (much faster than pip)
RUN uv pip install --system --no-cache -r requirements.txt

# Copy application code
COPY . .

# Set environment variables for optimization
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV TRANSFORMERS_CACHE=/app/cache
ENV HF_HOME=/app/cache

# Create cache directory
RUN mkdir -p /app/cache

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

# Run the application
CMD ["python", "app.py"]