Dockerfile

FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    gcc \
    python3-dev \
    ffmpeg \
    libimage-exiftool-perl \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Application code
COPY app.py text2generation.py video_processor.py ./

# Environment variables
ENV TRANSFORMERS_CACHE=/tmp/cache \
    HF_HOME=/tmp/cache \
    PYTHONUNBUFFERED=1

# Create cache directory
RUN mkdir -p /tmp/cache && \
    chmod 777 /tmp/cache

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=30s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

CMD ["python", "app.py"]