Use pre-built wheel

Dockerfile

@@ -10,7 +10,7 @@ ENV HOME=/home/user \
 WORKDIR $HOME/app
 
 COPY --chown=user requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cpu
 
 # Download DictaLM 2.0 Q4_K_M GGUF
 RUN wget -q -O model.gguf "https://huggingface.co/dicta-il/dictalm2.0-instruct-GGUF/resolve/main/dictalm2.0-instruct.Q4_K_M.gguf"