OpenShift 4 Build Config using the Source Strategy

source-strategy.yaml

---
kind: ImageStream
apiVersion: image.openshift.io/v1
metadata:
  name: myapp
  namespace: mynamespace
spec: {}

---
apiVersion: build.openshift.io/v1
kind: BuildConfig
metadata:
  name: myapp
  namespace: mynamespace
spec:
  output:
    to:
      kind: "ImageStreamTag"
      name: "myapp:latest"
  failedBuildsHistoryLimit: 5
  successfulBuildsHistoryLimit: 5
  nodeSelector: null
  postCommit: {}
  resources: {}
  runPolicy: Serial
  source:
    git:
      ref: danclark
      uri: https://bitbucket.something.net/scm/something/myapp.git
    sourceSecret:
      name: danclark-git
    type: Git
    env:
    - name: NPM_TOKEN
      value: XXXX
    - name: NPM_ENV
      value: "production"
  strategy:
    sourceStrategy:
      env:
      - name: NPM_TOKEN
        value: XXXX
      - name: NPM_ENV
        value: "production"
      from:
        kind: ImageStreamTag
        name: nodejs:10-ubi7
        namespace: openshift
    type: Source
  triggers:
  - imageChange:
    type: ImageChange
  - type: ConfigChange
---
kind: DeploymentConfig
apiVersion: apps.openshift.io/v1
metadata:
  name: myapp
  namespace: mynamespace
spec:
  strategy:
    type: Rolling
  triggers:
    - type: ConfigChange
    - type: ImageChange
      imageChangeParams:
        automatic: true
        containerNames:
          - myapp
        from:
          kind: ImageStreamTag
          namespace: mynamespace
          name: 'myapp:latest'
  replicas: 1
  selector:
    app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
        - name: myapp
          image: myapp:latest
          command:
            - npm
          args:
            - start
          ports:
            - containerPort: 3000
              protocol: TCP
          env:
            - name: CI
              value: "true"
          imagePullPolicy: Always
---
kind: Service
apiVersion: v1
metadata:
  name: myapp
  namespace: mynamespace
spec:
  ports:
    - protocol: TCP
      port: 3000
      targetPort: 3000
  selector:
    app: myapp

---
kind: Route
apiVersion: route.openshift.io/v1
metadata:
  name: myapp
  namespace: mynamespace
spec:
  to:
    kind: Service
    name: myapp
    weight: 100
  port:
    targetPort: 3000
  tls:
    termination: edge
    insecureEdgeTerminationPolicy: None