Dockerfile.backend

FROM python:3.12-slim

ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HF_HOME=/opt/huggingface \
    HF_HUB_CACHE=/opt/huggingface/hub \
    TRANSFORMERS_CACHE=/opt/huggingface/transformers \
    SENTENCE_TRANSFORMERS_HOME=/opt/huggingface/sentence-transformers

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends curl wget libgomp1 \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt /app/requirements.txt

RUN pip install --upgrade pip \
    && pip install --no-cache-dir -r /app/requirements.txt \
    && pip install --no-cache-dir "ray[serve]"

RUN mkdir -p /opt/huggingface

COPY . /app

EXPOSE 8000 8265

HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=5 \
    CMD curl -fsS http://127.0.0.1:8000/ || exit 1

CMD ["python", "-m", "ray_app.app"]