Update Dockerfile

Dockerfile

@@ -6,7 +6,7 @@ SHELL ["/bin/bash", "-c"]
 # ── Layer 1 (root): 系统依赖 + Ollama + 工具（全部合并为一层）─────────────────
 RUN echo "[build][layer1] System deps + Ollama..." && START=$(date +%s) \
   && apt-get update \
-  && apt-get install -y --no-install-recommends git ca-certificates curl python3 python3-pip patch \
+  && apt-get install -y --no-install-recommends git ca-certificates curl python3 python3-pip patch zstd \
   && rm -rf /var/lib/apt/lists/* \
   && pip3 install --no-cache-dir --break-system-packages huggingface_hub \
   && curl -fsSL https://ollama.com/install.sh | sh \