mutlistagebuild.yaml

---
kind: "BuildConfig"
apiVersion: "v1"
metadata:
  name: "mytestbuild"
spec:
  runPolicy: "Serial"
  source:
    dockerfile: |-
      FROM golang:alpine AS builder
      ENV alertmanager_version v0.15.3
      RUN apk -U add binutils git make && \
          mkdir -p $GOPATH/src/github.com/prometheus && \
          cd $GOPATH/src/github.com/prometheus && \
          git clone https://github.com/prometheus/alertmanager.git && \
          cd alertmanager && \
          git checkout ${alertmanager_version} && \
          make build
      FROM alpine
      WORKDIR /alertmanager
      COPY --from=builder /go/src/github.com/prometheus/alertmanager/alertmanager /bin/alertmanager
      COPY --from=builder /go/src/github.com/prometheus/alertmanager/amtool /bin/amtool
      EXPOSE 9093
      EXPOSE 9094
      ENTRYPOINT ["/bin/alertmanager"]
      CMD ["--help"
  strategy:
    dockerStrategy:
      noCache: true
  output:
    to:
      kind: "ImageStreamTag"
      name: mytestbuildimage:v0.15.3
---
apiVersion: image.openshift.io/v1
kind: ImageStream
metadata:
  name: mytestbuildimage
spec:
  lookupPolicy:
    local: false