Dockerfile

# Use Python 3.11 slim image
FROM python:3.11-slim

WORKDIR /app

# Create a non-root user for Hugging Face
RUN useradd -m -u 1000 user

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy application code
COPY main.py .
COPY model_loader.py .
COPY best_lung_cancer_model.joblib .
COPY scaler.joblib .

# Set ownership for Hugging Face user
RUN chown -R user:user /app

USER user

# Hugging Face Spaces uses port 7860
EXPOSE 7860

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