Update Dockerfile

Dockerfile

@@ -16,7 +16,8 @@
     # Install git, gcc, and python3-dev for pip to install from GitHub and build wheels
     RUN apt-get update && apt-get install -y git gcc python3-dev
 
-    RUN pip install --no-cache-dir -r requirements.txt
+    ENV PIP_ROOT_USER_ACTION=ignore
+    RUN pip install --no-cache-dir --prefix=/usr/local -r requirements.txt
     RUN bash installer.sh
 
     ENV PYTHONPATH="${PYTHONPATH}:/app"