Update codeserver as well as its pipeline

Author: atheo89

.tekton/odh-workbench-codeserver-datascience-cpu-py312-ubi9-push.yaml

@@ -8,7 +8,7 @@ metadata:
     pipelinesascode.tekton.dev/cancel-in-progress: "false"
     pipelinesascode.tekton.dev/max-keep-runs: "3"
     build.appstudio.openshift.io/build-nudge-files: "manifests/base/params-latest.env"
-    pipelinesascode.tekton.dev/on-cel-expression: event == "push" && target_branch == "main" && !("manifests/base/params-latest.env".pathChanged()) && ( ".tekton/odh-workbench-codeserver-datascience-cpu-py312-ubi9-push.yaml".pathChanged() || "codeserver/ubi9-python-3.12/**".pathChanged() )
+    pipelinesascode.tekton.dev/on-cel-expression: event == "push" && target_branch == "main" && !("manifests/base/params-latest.env".pathChanged()) && ( ".tekton/odh-workbench-codeserver-datascience-cpu-py312-ubi9-push.yaml".pathChanged() || "codeserver/ubi9-python-3.12/**".pathChanged() || "codeserver/ubi9-python-3.12/build-args/cpu.conf".pathChanged() )
   creationTimestamp:
   labels:
     appstudio.openshift.io/application: opendatahub-release
@@ -26,6 +26,8 @@ spec:
     value: quay.io/opendatahub/odh-workbench-codeserver-datascience-cpu-py312-ubi9:{{revision}}
   - name: dockerfile
     value: codeserver/ubi9-python-3.12/Dockerfile.cpu
+  - name: build-args-file
+    value: codeserver/ubi9-python-3.12/build-args/cpu.conf
   - name: path-context
     value: .
   - name: additional-tags

codeserver/ubi9-python-3.12/Dockerfile.cpu

@@ -1,7 +1,8 @@
 ####################
-# base             #
+# cpu-base         #
 ####################
-FROM registry.access.redhat.com/ubi9/python-312:latest AS base
+ARG BASE_IMAGE
+FROM ${BASE_IMAGE} AS cpu-base
 
 WORKDIR /opt/app-root/bin
 
@@ -30,11 +31,10 @@ RUN curl -L https://mirror.openshift.com/pub/openshift-v4/$(uname -m)/clients/oc
     rm -f /tmp/openshift-client-linux.tar.gz
 # Install the oc client end
 
-
 ####################
 # codeserver       #
 ####################
-FROM base AS codeserver
+FROM cpu-base AS codeserver
 
 ARG TARGETOS TARGETARCH
 

codeserver/ubi9-python-3.12/build-args/cpu.conf

@@ -0,0 +1 @@
+BASE_IMAGE=registry.access.redhat.com/ubi9/python-312:latest