Dockerfile

FROM python:3.10-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1
ENV HOME=/home/user
ENV PATH=/home/user/.local/bin:$PATH

# Create a non-root user (required by Hugging Face)
RUN useradd -m -u 1000 user

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    espeak \
    libespeak1 \
    libsm6 \
    libxext6 \
    libgl1 \
    libblas3 \
    liblapack3 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt && \
    pip install --no-cache-dir hf_transfer

# Create necessary directories and set permissions
RUN mkdir -p /app/temp /app/outputs && \
    chown -R user:user /app

# Copy the rest of the application
COPY --chown=user . .

# Switch to non-root user
USER user

# Set higher-speed download env
ENV HF_HUB_ENABLE_HF_TRANSFER=1

# Pre-download models to cache as the correct USER using CLI (more memory efficient)
RUN huggingface-cli download HuggingFaceTB/SmolLM2-1.7B-Instruct
RUN huggingface-cli download runwayml/stable-diffusion-v1-5

# HuggingFace Spaces expects port 7860
EXPOSE 7860

# Launch the app
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]