FROM python:3.11-slim

WORKDIR /app

# Dépendances système + TA-Lib C (nécessaire pour feature engineering ML)
RUN apt-get update && apt-get install -y --no-install-recommends \
        build-essential \
        wget \
        libpq-dev \
        libgomp1 \
        git \
    && wget https://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz \
    && tar -xzf ta-lib-0.4.0-src.tar.gz \
    && cd ta-lib && ./configure --prefix=/usr && make && make install \
    && cd .. && rm -rf ta-lib ta-lib-0.4.0-src.tar.gz \
    && rm -rf /var/lib/apt/lists/*

# Toutes les dépendances (base + ml + dev)
COPY docker/requirements/base.txt docker/requirements/ml.txt ./requirements/
RUN pip install --no-cache-dir \
        -r requirements/base.txt \
        -r requirements/ml.txt \
    && pip install --no-cache-dir \
        jupyterlab==4.0.9 \
        ipywidgets==8.1.1 \
        ipdb==0.13.13 \
        memory-profiler==0.61.0

EXPOSE 8888

CMD ["jupyter", "lab", \
     "--ip=0.0.0.0", \
     "--port=8888", \
     "--no-browser", \
     "--allow-root", \
     "--notebook-dir=/app/notebooks"]