ruby-ex/deployment/manifests/build.yaml

apiVersion: v1
kind: Template
objects:
- apiVersion: v1
  kind: ImageStream
  metadata:
    name: ${APP}
    labels:
      app: ${APP}
- apiVersion: v1
  kind: BuildConfig
  metadata:
    name: ${APP}-${BRANCH}
    labels:
      app: ${APP}
  spec:
    output:
      to:
        kind: ImageStreamTag
        name: ${APP}:b-${BRANCH}
    source:
      type: Binary
      binary: {}
    strategy:
      type: Source
      sourceStrategy:
        from:
          kind: ImageStreamTag
          name: ruby:2.3
          namespace: openshift
parameters:
- description: The application name.
  displayName: Application name
  name: APP
  value: frontend
- description: The branch being built.
  displayName: Branch
  name: BRANCH