# Use Python base image
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# Create working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install them
COPY requirements.txt .
RUN pip install --upgrade pip && pip install -r requirements.txt

# Copy app code
COPY . .

# Download model at build time
RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('all-MiniLM-L6-v2')"

# Expose port
EXPOSE 8080

# Run app
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8080"]