Add separate example for using an image previously built

Signed-off-by: Taylor Silva <tsilva@pivotal.io>

pipelines/build-and-push-simple-image.yml

@@ -42,13 +42,6 @@ jobs:
         UNPACK_ROOTFS: "true" # only needed if using image in a future step
       run:
         path: build
-  - task: use-built-image-in-task
-    image: image
-    config:
-      platform: linux
-      run:
-        path: cat
-        args: ["/stranger"]
   - put: simple-image
     params:
       image: image/image.tar

pipelines/build-and-use-image.yml

@@ -0,0 +1,40 @@
+---
+resources:
+# The repo with our Dockerfile
+- name: concourse-examples
+  type: git
+  icon: github
+  source:
+    uri: https://github.com/concourse/examples.git
+    branch: master
+
+jobs:
+- name: build-and-use-image
+  plan:
+  - get: concourse-examples
+  - task: build-task-image
+    privileged: true
+    config:
+      platform: linux
+      image_resource:
+        type: registry-image
+        source:
+          # Check out the README for oci-build-task at
+          # https://github.com/concourse/oci-build-task
+          repository: concourse/oci-build-task
+      inputs:
+      - name: concourse-examples
+      outputs:
+      - name: image
+      params:
+        CONTEXT: concourse-examples/Dockerfiles/simple
+        UNPACK_ROOTFS: "true" # only needed if using image in a future step
+      run:
+        path: build
+  - task: use-built-image-in-task
+    image: image
+    config:
+      platform: linux
+      run:
+        path: cat
+        args: ["/stranger"]