Dockerfile

# Hugging Face Spaces Dockerfile for SalitaKo Backend
FROM python:3.11-slim

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

# Create non-root user (required by HF Spaces)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Copy requirements first for caching
COPY --chown=user requirements-hf.txt requirements.txt

# Install Python dependencies (CPU-only torch for free tier)
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=user . .

# Expose port 7860 (Hugging Face Spaces default)
EXPOSE 7860

# Run the FastAPI app
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]