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# Hugging Face Spaces β€” Docker SDK용
# roadshow-server-v3 (FastAPI + DuckDB + MLflow)

FROM python:3.11-slim

# ── μ‹œμŠ€ν…œ μ˜μ‘΄μ„± ─────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# ── Python μ˜μ‘΄μ„± (μΊμ‹œ ν™œμš© μœ„ν•΄ λ¨Όμ € 볡사) ──────────────────
COPY requirements.txt ./
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# ── μ• ν”Œλ¦¬μΌ€μ΄μ…˜ μ½”λ“œ ─────────────────────────────────────────
# cache-bust: COPY λ ˆμ΄μ–΄ κ°•μ œ λ¬΄νš¨ν™” (HF Space stale-layer λ°©μ§€) β€” κ°’ λ°”κΎΈλ©΄ μƒˆλ‘œ COPY
ARG APP_REBUILD=2026-06-22-1
COPY . /app

# HF Spaces ν‘œμ€€ 포트 7860, μ“°κΈ° κ°€λŠ₯ λ””λ ‰ν† λ¦¬λŠ” /tmp λ˜λŠ” /data
ENV PORT=7860 \
    DB_PATH=/data/roadshow_v3.duckdb \
    MLFLOW_URI=sqlite:////data/mlflow_v3.db \
    MLFLOW_ARTIFACT_ROOT=/data/mlruns_v3 \
    PYTHONUNBUFFERED=1

# HF SpacesλŠ” /data λ””λ ‰ν† λ¦¬μ—λ§Œ μ“°κΈ° κΆŒν•œ λΆ€μ—¬
RUN mkdir -p /data && chmod 777 /data

EXPOSE 7860

# 단일 worker (λ©”λͺ¨λ¦¬ μ ˆμ•½, WebSocket μ„Έμ…˜ μœ μ§€)
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]