1 files changed, 13 insertions, 5 deletions
diff --git a/nixpkgs/nixos/modules/services/misc/docker-registry.nix b/nixpkgs/nixos/modules/services/misc/docker-registry.nix
index 7a9907fd3510..8ea81f9a7ee2 100644
--- a/nixpkgs/nixos/modules/services/misc/docker-registry.nix
+++ b/nixpkgs/nixos/modules/services/misc/docker-registry.nix
@@ -47,7 +47,15 @@ let
 
 in {
   options.services.dockerRegistry = {
-    enable = mkEnableOption "Docker Registry";
+    enable = mkEnableOption (lib.mdDoc "Docker Registry");
+
+    package = mkOption {
+      type = types.package;
+      description = mdDoc "Which Docker registry package to use.";
+      default = pkgs.docker-distribution;
+      defaultText = literalExpression "pkgs.docker-distribution";
+      example = literalExpression "pkgs.gitlab-container-registry";
+    };
 
     listenAddress = mkOption {
       description = lib.mdDoc "Docker registry host or ip to bind to.";
@@ -76,7 +84,7 @@ in {
       description = lib.mdDoc "Enable delete for manifests and blobs.";
     };
 
-    enableRedisCache = mkEnableOption "redis as blob cache";
+    enableRedisCache = mkEnableOption (lib.mdDoc "redis as blob cache");
 
     redisUrl = mkOption {
       type = types.str;
@@ -98,7 +106,7 @@ in {
       type = types.attrs;
     };
 
-    enableGarbageCollect = mkEnableOption "garbage collect";
+    enableGarbageCollect = mkEnableOption (lib.mdDoc "garbage collect");
 
     garbageCollectDates = mkOption {
       default = "daily";
@@ -117,7 +125,7 @@ in {
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" ];
       script = ''
-        ${pkgs.docker-distribution}/bin/registry serve ${configFile}
+        ${cfg.package}/bin/registry serve ${configFile}
       '';
 
       serviceConfig = {
@@ -136,7 +144,7 @@ in {
       serviceConfig.Type = "oneshot";
 
       script = ''
-        ${pkgs.docker-distribution}/bin/registry garbage-collect ${configFile}
+        ${cfg.package}/bin/registry garbage-collect ${configFile}
         /run/current-system/systemd/bin/systemctl restart docker-registry.service
       '';