# Use official Python image
FROM python:3.9-slim

# Avoid prompts from pip
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

# Install system dependencies (for torch, transformers, etc.)
RUN apt-get update && apt-get install -y \
    build-essential \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Copy app files
COPY . .

# Expose port for FastAPI
EXPOSE 8000

# Default command
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]