# Use official lightweight Python image
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Avoid interactive prompts during package installs
ENV DEBIAN_FRONTEND=noninteractive

# Set Hugging Face cache directories to writable paths
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache \
    HF_HOME=/tmp/hf_home \
    HF_DATASETS_CACHE=/tmp/hf_datasets_cache \
    HF_METRICS_CACHE=/tmp/hf_metrics_cache

# Install system dependencies (git, wget, etc.)
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    curl \
    build-essential \
 && rm -rf /var/lib/apt/lists/*

# Copy requirements and app code
COPY requirements.txt .
COPY app.py .

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

# Expose the default port for Hugging Face Spaces
EXPOSE 7860

# Launch FastAPI app with uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]