use VERSION in the build file

Signed-off-by: Kevin Carter <[email protected]>

.github/workflows/release-horizon-rxt.yml

@@ -11,9 +11,9 @@ on:
         default: 'master'
         type: choice
         options:
-        - "master"
-        - "2023.1"
-        - "2023.2"
+          - "master"
+          - "2023.1"
+          - "2023.2"
 
 # Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
 env:
@@ -57,4 +57,4 @@ jobs:
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/horizon-rxt:${{ github.event.inputs.release }}-ubuntu_jammy
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |
-            RELEASE=${{ github.event.inputs.release }}
+            VERSION=${{ github.event.inputs.release }}

Containerfiles/HorizonRXT-Containerfile

@@ -1,5 +1,5 @@
-ARG RELEASE=master
-FROM openstackhelm/horizon:${RELEASE}-ubuntu_jammy
-RUN /var/lib/openstack/bin/pip install --constraint=https://releases.openstack.org/constraints/upper/${RELEASE} \
+ARG VERSION=master
+FROM openstackhelm/horizon:${VERSION}-ubuntu_jammy
+RUN /var/lib/openstack/bin/pip install --constraint=https://releases.openstack.org/constraints/upper/${VERSION} \
                                heat-dashboard \
                                octavia-dashboard