FROM python:3.10.0

# ── Working directory ──────────────────────────────────────────────────────────
WORKDIR /app

# ── Python dependencies ────────────────────────────────────────────────────────
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# ── Application code & assets ──────────────────────────────────────────────────
COPY app.py ./
COPY data/                          ./data/
COPY model_download.py              ./
COPY tea_auction_advanced_dataset.csv ./

# ── Create required directories ───────────────────────────────────────────────
RUN mkdir -p /app/uploads \
             /app/artifacts_tea_hybrid \
             /app/model

# ── Environment variables ─────────────────────────────────────────────────────
ENV PORT=7860 \
    OMP_NUM_THREADS=1 \
    TF_ENABLE_ONEDNN_OPTS=0 \
    CUDA_VISIBLE_DEVICES="" \
    TEA_ARTIFACT_DIR=/app/artifacts_tea_hybrid \
    TEA_DATA_PATH=/app/tea_auction_advanced_dataset.csv \
    TEA_MIN_ARIMA_POINTS=60

# ── Expose port ───────────────────────────────────────────────────────────────
EXPOSE 7860

# ── Startup: download models first, then launch app ──────────────────────────
CMD ["sh", "-c", "python model_download.py && python app.py"]