set PRODUCT_VERSION for default docker build (#1429)

control-plane/Dockerfile

@@ -66,22 +66,20 @@ CMD /bin/${BIN_NAME}
 # reproducible currently.
 FROM alpine:3.16 AS release-default
 
-# NAME and VERSION are the name of the software in releases.hashicorp.com
-# and the version to download. Example: NAME=consul VERSION=1.2.3.
 ARG BIN_NAME=consul-k8s-control-plane
-ARG VERSION
+ARG PRODUCT_VERSION
 
 LABEL name=${BIN_NAME} \
       maintainer="Team Consul Kubernetes <team-consul-kubernetes@hashicorp.com>" \
       vendor="HashiCorp" \
-      version=${VERSION} \
-      release=${VERSION} \
+      version=${PRODUCT_VERSION} \
+      release=${PRODUCT_VERSION} \
       summary="consul-k8s-control-plane provides first-class integrations between Consul and Kubernetes." \
       description="consul-k8s-control-plane provides first-class integrations between Consul and Kubernetes."
 
 # Set ARGs as ENV so that they can be used in ENTRYPOINT/CMD
 ENV BIN_NAME=${BIN_NAME}
-ENV VERSION=${VERSION}
+ENV VERSION=${PRODUCT_VERSION}
 
 RUN apk add --no-cache ca-certificates curl gnupg libcap openssl su-exec iputils libc6-compat iptables
 
@@ -132,7 +130,7 @@ LABEL name=$PRODUCT_NAME \
 
 # Set ARGs as ENV so that they can be used in ENTRYPOINT/CMD
 ENV NAME=${BIN_NAME}
-ENV VERSION=${VERSION}
+ENV VERSION=${PRODUCT_VERSION}
 
 # TARGETOS and TARGETARCH are set automatically when --platform is provided.
 ARG TARGETOS