# Use official Python image
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

# Copy requirements first for caching
COPY requirements.txt .

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

# Copy app code
COPY . .

# Expose port (Render uses 10000+ dynamic ports, we'll override with CMD)
EXPOSE 7860

# Redirect local storage and cache to /tmp
ENV HOME=/tmp
ENV XDG_DATA_HOME=/tmp/.local/share

# Command to run the FastAPI server
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]