chore(docker): update upstream.Dockerfile base to go 1.12

- Updates upstream.Dockerfile base to go 1.12
- Removes alm-ci stage

Author: njhale

upstream.Dockerfile

@@ -1,29 +1,28 @@
-FROM quay.io/coreos/alm-ci:base as builder
+FROM golang:1.12-alpine as builder
 LABEL stage=builder
-WORKDIR /go/src/github.com/operator-framework/operator-lifecycle-manager
-RUN curl -L https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64 -o /bin/jq
-RUN chmod +x /bin/jq
-# Cache Dep first
-COPY . .
+WORKDIR /build
+
+RUN apk update && apk add bash make git mercurial jq
+
+# copy just enough of the git repo to parse HEAD, used to record version in OLM binaries
+COPY .git/HEAD .git/HEAD
+COPY .git/refs/heads/. .git/refs/heads
+RUN mkdir -p .git/objects
+COPY Makefile Makefile
+COPY OLM_VERSION OLM_VERSION
+COPY pkg pkg
+COPY vendor vendor
+COPY go.mod go.mod
+COPY cmd cmd
+COPY test test
 RUN make build
-RUN go test -c -o /bin/e2e ./test/e2e/...
 
-FROM alpine:latest as olm
+FROM alpine:latest
 LABEL stage=olm
 WORKDIR /
-COPY --from=builder /go/src/github.com/operator-framework/operator-lifecycle-manager/bin/olm /bin/olm
-COPY --from=builder /go/src/github.com/operator-framework/operator-lifecycle-manager/bin/catalog /bin/catalog
-COPY --from=builder /go/src/github.com/operator-framework/operator-lifecycle-manager/bin/package-server /bin/package-server
+COPY --from=builder /build/bin/olm /bin/olm
+COPY --from=builder /build/bin/catalog /bin/catalog
+COPY --from=builder /build/bin/package-server /bin/package-server
 EXPOSE 8080
 EXPOSE 5443
-CMD ["/bin/olm"]
-
-FROM quay.io/coreos/alm-ci:base
-LABEL stage=e2e
-RUN mkdir -p /var/e2e
-WORKDIR /var/e2e
-COPY --from=builder /bin/e2e /bin/e2e
-COPY --from=builder /bin/jq /bin/jq
-COPY ./test/e2e/e2e.sh /var/e2e/e2e.sh
-COPY ./test/e2e/tap.jq /var/e2e/tap.jq
-CMD ["/bin/e2e"]
+CMD ["/bin/olm"]