updating dockerfile to recache repo

Dockerfile

@@ -7,7 +7,7 @@ RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
 COPY requirements.txt requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
-RUN git clone https://github.com/huggingface/nanoVLM.git /app/nanoVLM
+RUN rm -rf /app/nanoVLM && git clone https://github.com/huggingface/nanoVLM.git /app/nanoVLM
 
 ENV PYTHONPATH="/app/nanoVLM:${PYTHONPATH}" 
 ENV HF_HOME=/app/.cache/huggingface