FROM python:3.11-slim

# Create non-root user
RUN useradd -m -u 1000 calink

# Set working directory
WORKDIR /app

# Copy requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY main.py .

# Create data directory and set permissions
RUN mkdir -p /data && chown -R calink:calink /app /data

# Switch to non-root user
USER calink

# Expose port
EXPOSE 8000

# Run the application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]