Fix Dockerfile: single-line CMD JSON array

Dockerfile

@@ -5,7 +5,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     git build-essential cmake curl ca-certificates pkg-config libcurl4-openssl-dev \
  && rm -rf /var/lib/apt/lists/*
 
-# build llama.cpp (HTTP server)
+# build llama.cpp (HTTP server in tools/server)
 WORKDIR /app
 RUN git clone --depth 1 https://github.com/ggml-org/llama.cpp.git \
  && cd llama.cpp && mkdir -p build && cd build \
@@ -14,7 +14,6 @@ RUN git clone --depth 1 https://github.com/ggml-org/llama.cpp.git \
           -DLLAMA_BUILD_EXAMPLES=ON \
           -DLLAMA_BUILD_SERVER=ON \
           -DLLAMA_BUILD_TESTS=OFF \
-          -DLLAMA_BUILD_TOOLS=OFF \
           .. \
  && cmake --build . --target llama-server -j