Update Dockerfile

Dockerfile

@@ -24,6 +24,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
  && rm -rf /var/lib/apt/lists/* \
  && git lfs install
 
+# 在 Docker 建置時預先下載模型
+RUN python -c "from faster_whisper import WhisperModel; WhisperModel('guillaumekln/faster-whisper-large-v2', device='cpu')"
+
 # ---- Python deps ----
 COPY requirements.txt ./
 RUN pip install --upgrade pip && pip install -r requirements.txt