do not upgrade pip after installing it

Author: dclong

Dockerfile

@@ -6,7 +6,7 @@ RUN apt-get update -y \
     && apt-get install -y --no-install-recommends \
         python3 python3-pip python3-venv \
         python3-all-dev python3-setuptools build-essential python3-wheel python3-apt \
-    && pip3 install -U --break-system-packages pip \
+    #&& pip3 install -U --break-system-packages pip \
     && pip3 install --break-system-packages \
         pytype pylint black[jupyter] isort pytest ipython \
         wajig \

build.sh

@@ -1,3 +1,4 @@
 #!/bin/bash
 
+docker pull dclong/base:next
 docker build -t dclong/python:next .