# 1. Base image: lightweight Linux + Python
FROM python:3.10-slim

# 2. Set working directory inside container
WORKDIR /app

# 3. Copy dependency list first (Docker caching trick)
COPY requirements.txt .

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

# 5. Copy only necessary app files
COPY model/ model/

# 6. Expose the port FastAPI will run on
EXPOSE 7860

# 7. Start the FastAPI app
CMD ["uvicorn", "model.api:app", "--host", "0.0.0.0", "--port", "7860"]