FROM python:3.12-bookworm

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1
ENV PIP_NO_CACHE_DIR=1

RUN apt-get update && apt-get install -y \
    build-essential \
    gcc \
    g++ \
    git \
    libgomp1 \
    libpq-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY pipelines ./pipelines

RUN python -m pip install --upgrade pip setuptools wheel && \
    python -m pip install \
    torch \
    --index-url https://download.pytorch.org/whl/cpu && \
    python -m pip install \
    typer \
    sqlalchemy \
    bertopic \
    sentence-transformers \
    scikit-learn \
    pandas \
    numpy \
    "psycopg[binary]"

ENV HF_HOME=/cache/huggingface
ENV TRANSFORMERS_CACHE=/cache/huggingface

ENTRYPOINT ["python", "-m"]
CMD ["pipelines.bert_topic.train"]