feat: Dynamic image tagging using release version (#116)

for triggering rolling deployments. Needed for use in OpenShift.io/fabric8 boosters 
https://github.com/fabric8-launcher/launcher-booster-catalog

.openshiftio/application.yaml

@@ -20,6 +20,15 @@ parameters:
     displayName: Source Directory
     value: .
     required: true
+  - name: RELEASE_VERSION
+    description: The location within the source repo of the application
+    displayName: release version
+    required: true
+  - name: SUFFIX_NAME
+    description: The location within the source repo of the application
+    displayName: suffix name
+    value: .
+    required: true
   - name: GITHUB_WEBHOOK_SECRET
     description: A secret string used to configure the GitHub webhook.
     displayName: GitHub Webhook Secret
@@ -50,7 +59,7 @@ objects:
       output:
         to:
           kind: ImageStreamTag
-          name: 'nodejs-rest-http-crud:latest'
+          name: 'nodejs-rest-http-crud:${RELEASE_VERSION}'
       postCommit: {}
       resources: {}
       source:
@@ -136,7 +145,7 @@ objects:
                 periodSeconds: 3
                 successThreshold: 1
                 timeoutSeconds: 1
-              image: nodejs-rest-http-crud
+              image: nodejs-rest-http-crud:${RELEASE_VERSION}
               name: nodejs-rest-http-crud
               securityContext:
                 privileged: false
@@ -164,7 +173,7 @@ objects:
               - nodejs-rest-http-crud
             from:
               kind: ImageStreamTag
-              name: 'nodejs-rest-http-crud:latest'
+              name: 'nodejs-rest-http-crud:${RELEASE_VERSION}'
   - apiVersion: v1
     kind: Route
     spec: