Fix kube_apply_* and update deploy scripts

charts/metrics-server/deploy.sh

@@ -5,15 +5,12 @@ namespace=kube-system
 charts=()
 
 . ../config.sh
-
-kubectl_apply $namespace "${charts[@]}"
+kubectl_apply_files $namespace "${charts[@]}"
 helm template \
     -n $namespace \
     -f values.yaml \
     metrics-server \
     stable/metrics-server \
-    | make_substitutions \
-    | sed 's/8443/6443/g' \
-    | kubectl apply -f -
+    | kubectl_apply $namespace