Dockerfile.openshift.rhel7

FROM registry.ci.openshift.org/ocp/builder:rhel-9-golang-1.21-openshift-4.16 AS builder
WORKDIR /go/src/github.com/coredns/coredns
COPY . .
RUN GO111MODULE=on GOFLAGS=-mod=vendor go build -o coredns .

FROM registry.ci.openshift.org/ocp/4.16:base-rhel9
COPY --from=builder /go/src/github.com/coredns/coredns/coredns /usr/bin/

ENTRYPOINT ["/usr/bin/coredns"]

LABEL io.k8s.display-name="CoreDNS" \
      io.k8s.description="CoreDNS delivers the DNS and Discovery Service for a Kubernetes cluster." \
      maintainer="dev@lists.openshift.redhat.com"