Dockerfile.train

FROM python:3.11-slim-bookworm AS builder

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends --fix-missing \
    gcc g++ libgomp1 \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .

RUN pip install --upgrade pip \
 && pip install --no-cache-dir \
    torch==2.2.0 --index-url https://download.pytorch.org/whl/cpu \
 && pip install --no-cache-dir -r requirements.txt

# ── runtime ──
FROM python:3.11-slim-bookworm AS train

WORKDIR /app

COPY --from=builder /usr/local/lib/python3.11 /usr/local/lib/python3.11
COPY --from=builder /usr/local/bin /usr/local/bin

COPY . .

RUN python data_prep.py --scenario all

ENV CONFIG=configs/qlearning_v1.yaml
ENV MLFLOW_TRACKING_URI=http://mlflow:5000

CMD ["sh", "-c", "python train.py --config ${CONFIG}"]