STONEBLD-1498 Update base images to rhel based (#47)

Updating Dockerfile to use RH based base images. Removed test part since
there is separate github workflow.

Dockerfile

@@ -1,7 +1,6 @@
 # Build the manager binary
-FROM golang:1.19 as builder
+FROM registry.access.redhat.com/ubi9/go-toolset:1.19.10-4 as builder
 
-WORKDIR /workspace
 # Copy the Go Modules manifests
 COPY go.mod go.mod
 COPY go.sum go.sum
@@ -13,21 +12,15 @@ RUN go mod download
 COPY main.go main.go
 COPY pkg pkg
 COPY controllers/ controllers/
-COPY Makefile Makefile
-COPY hack hack
-COPY config config
-
-# Test
-RUN make test
 
 # Build
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM gcr.io/distroless/static:nonroot
+FROM registry.access.redhat.com/ubi9/ubi-minimal:9.2-691
 WORKDIR /
-COPY --from=builder /workspace/manager .
+COPY --from=builder /opt/app-root/src/manager /
 USER 65532:65532
 
 ENTRYPOINT ["/manager"]