Dockerfile

FROM python:3.10-slim

WORKDIR /app

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

# Create a dedicated user and cache directory with proper permissions
RUN useradd -m appuser && \
    mkdir -p /cache && \
    chown appuser:appuser /cache

# Create and activate virtual environment
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code (as non-root user)
COPY --chown=appuser:appuser . .

# Set environment variables
ENV TRANSFORMERS_CACHE=/cache
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app

# Switch to non-root user
USER appuser

# Create the cache directory with correct permissions
RUN mkdir -p /cache

EXPOSE 7860

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