Split MC container creation into function

installJRMC

@@ -1853,7 +1853,7 @@ download() {
   "${cmd[@]}" "$url"
 }
 apt_mc_container() {
-  install_package --silent buildah && 
+  install_package --silent buildah &>/dev/null && 
   cnt=$(sudo buildah from --quiet alpine:edge 2>/dev/null) &&
   sudo buildah run "$cnt" -- sh -c '
     apk add --no-cache apt curl gnupg &>/dev/null