FROM python:3.10-slim

WORKDIR /app

# Sistem bağımlılıkları (faiss, numpy, sentence-transformers derlemesi için gerekebilir)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# HF Hub için writable cache klasörleri (Space'te $HOME genellikle read-only olabilir)
ENV HF_HOME=/app/.cache/huggingface \
    TRANSFORMERS_CACHE=/app/.cache/huggingface \
    SENTENCE_TRANSFORMERS_HOME=/app/.cache/huggingface \
    XDG_CACHE_HOME=/app/.cache \
    STREAMLIT_SERVER_PORT=8501 \
    STREAMLIT_SERVER_ADDRESS=0.0.0.0 \
    STREAMLIT_SERVER_HEADLESS=true

RUN mkdir -p /app/.cache/huggingface && chmod -R 777 /app/.cache

# Önce requirements → cache verimli build
COPY requirements.txt ./
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Proje dosyaları
COPY . .

# HF Space'in default açtığı port
EXPOSE 8501

HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

CMD ["streamlit", "run", "src/streamlit_app.py", \
     "--server.port=8501", \
     "--server.address=0.0.0.0", \
     "--server.enableCORS=false", \
     "--server.enableXsrfProtection=false"]