Dockerfile

FROM python:3.11-slim

WORKDIR /app

# Koyeb 優化：減少層數
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

# Koyeb 環境變數
ENV STREAMLIT_SERVER_PORT=$PORT
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false

# Koyeb 健康檢查
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:$PORT/_stcore/health || exit 1

CMD streamlit run app.py --server.port=$PORT --server.address=0.0.0.0