FROM python:3.10-slim

# Install necessary OS packages
RUN apt-get update && apt-get install -y \
    git \
    gcc \
    libffi-dev \
    libssl-dev \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for caching
COPY requirements.txt .
RUN pip install --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Copy entire app
WORKDIR /app
COPY app /app

# Set transformers cache to local model folder (optional)
ENV TRANSFORMERS_CACHE=/app/app/model

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