Add prow docker build job for focom operator image

.prow.yaml

@@ -160,7 +160,47 @@ postsubmits:
             items:
               - key: .dockerconfigjson
                 path: config.json
-
+
+  - name: build-push-nephio-focom-operator-dev-image
+    cluster: default
+    always_run: true
+    branches:
+    - "main"
+    annotations:
+      description: Build and Push Nephio Focom Operator Dev Image to DockerHub
+    decorate: true
+    decoration_config:
+      censor_secrets: true
+    max_concurrency: 1
+    extra_refs:
+    - org: nephio-project
+      repo: nephio
+      base_ref: main
+      path_alias: "nephio_build"
+    spec:
+      containers:
+      - name: kaniko
+        image: gcr.io/kaniko-project/executor:debug
+        command:
+        - "/bin/sh"
+        - "-c"
+        - |
+          executor --context=/home/prow/go/src/nephio_build/ --dockerfile=operators/focom-operator/Dockerfile --destination=nephio/focom-operator:${BUILD_ID} --destination=nephio/focom-operator:latest
+        volumeMounts:
+          - name: kaniko-secret
+            mountPath: /kaniko/.docker/
+        resources:
+          requests:
+            cpu: 1
+            memory: 1Gi
+      volumes:
+        - name: kaniko-secret
+          secret:
+            secretName: regcred
+            items:
+              - key: .dockerconfigjson
+                path: config.json
+
   - name: build-push-nephio-krm-func-config-inject-dev-image
     cluster: default
     always_run: true