Update Dockerfile

Dockerfile

@@ -1,9 +1,21 @@
 FROM python:3.11-slim
 
-RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates && rm -rf /var/lib/apt/lists/*
+# System deps: compiler + cmake + git + curl
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    cmake \
+    git \
+    curl \
+    ca-certificates \
+  && rm -rf /var/lib/apt/lists/*
 
+# (Optional but good) upgrade pip
+RUN pip install --no-cache-dir --upgrade pip
+
+# Install llama-cpp-python server (will compile)
 RUN pip install --no-cache-dir "llama-cpp-python[server]"
 
+# Download a small CPU-friendly model (GGUF)
 RUN mkdir -p /models && \
     curl -L -o /models/tinyllama.gguf \
     https://huggingface.co/TheBloke/TinyLlama-1.1B-Chat-v1.0-GGUF/resolve/main/tinyllama-1.1b-chat-v1.0.Q4_K_M.gguf