Wingkwan.lau development patch 51101

Dockerfile

 ARG BASE_REGISTRY=registry1.dso.mil
-ARG BASE_IMAGE=redhat/ubi/ubi8
+ARG BASE_IMAGE=ironbank/redhat/ubi/ubi8
 ARG BASE_TAG=8.4
 
-FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG}
+FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG} as build
 
 # Set necessary environment variables for python and python development environment
 ARG APP_ROOT=/opt/app-root
@@ -30,18 +30,17 @@ RUN chmod a+x /usr/bin/container-entrypoint && \
     chmod a+x /usr/bin/generate-container-user && \
     chmod a+x /usr/bin/py-enable 
 
+# yum Updates
+RUN yum update -y
+
 # Install packages
-RUN INSTALL_PKGS="vim-enhanced rsync iputils bind-utils git python38 python38-devel python38-setuptools python38-pip gcc" && \
+RUN INSTALL_PKGS="vim-enhanced rsync iputils bind-utils git python38 python38-devel python38-setuptools python38-pip" && \
     yum -y update-minimal --setopt=tsflags=nodocs --security && \
     yum -y --setopt=tsflags=nodocs install $INSTALL_PKGS && \
     yum -y remove vim-minimal && \
     rpm -V $INSTALL_PKGS && \
     yum -y clean all --enablerepo="*"
 
-# yum Updates
-RUN yum update -y
-RUN yum update systemd-239-45.el8_4.2
-
 # - Create a Python virtual environment for use by any application to avoid potential conflicts with Python packages 
 #   preinstalled in the main Python installation.
 RUN python$PYTHON_VERSION -m venv ${APP_ROOT} && /usr/bin/py-enable
@@ -60,8 +59,4 @@ RUN chmod g-s /usr/libexec/openssh/ssh-keysign
 # set user to ensure image not running as root
 USER 1001
 
-ENTRYPOINT ["/usr/bin/container-entrypoint"]
-
-HEALTHCHECK CMD python --version
-
-
+HEALTHCHECK NONE