Merge branch 'dev-build-opt' into 'master'

user new base docker image with root as default user

See merge request !44

Dockerfile

 # NOTE: USING THIS IMAGE UNTIL registry1 credentials are added to IL2 runners
 # Build the manager binary
-FROM registry.il2.dso.mil/platform-one/devops/pipeline-templates/valkyrie/golang-builder-1.16:1.0 as builder
-USER root
+FROM registry.il2.dso.mil/platform-one/devops/pipeline-templates/valkyrie/golang-builder-1.16:1.1 as builder
+
 WORKDIR /workspace
 # set go module cache
 ENV GOMODCACHE=/workspace/.gomodcache
@@ -17,9 +17,6 @@ RUN go mod download
 # Build
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go driver.go
 
-# make hadolint happy. set user to non root user
-USER golanguser
-
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
 FROM registry.il2.dso.mil/platform-one/devops/pipeline-templates/base-image/harden-ubi8-8.4:1.0