# Use the official Python 3.11 slim image as a base
FROM python:3.11-slim

# Prevent Python from buffering stdout/stderr (so logs appear immediately)
ENV PYTHONUNBUFFERED=1

# Set the working directory inside the container
WORKDIR /app

# Copy only requirements first to leverage Docker layer caching
COPY requirements.txt .

# Upgrade pip, install all Python dependencies
RUN pip install --upgrade pip && \
    pip install -r requirements.txt
    
# Copy the rest of the application code
COPY . .

# Expose port 7860 for Hugging Face Spaces
EXPOSE 7860

# Run the app on port 7860 (REQUIRED for Hugging Face)
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]