update dockerfile

Dockerfile

@@ -5,16 +5,15 @@ RUN useradd -m -u 1000 user
 USER user
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
+RUN apt-get update && \
+    xargs -r -a /app/packages.txt apt-get install -y && \
+    rm -rf /var/lib/apt/lists/*
 # Set default to user's home directory
 WORKDIR $HOME/app
 # Copy current files to space
 COPY . $HOME/app
-
 # Install system dependencies and requirements
-RUN apt-get update && \
-    xargs -r -a /app/packages.txt apt-get install -y && \
-    rm -rf /var/lib/apt/lists/* && \
-    pip install --no-cache-dir -r $HOME/app/requirements.txt && \
+RUN pip install --no-cache-dir -r $HOME/app/requirements.txt && \
     pip install llama-cpp-python
 
 EXPOSE 7860