diff --git a/modules/all.nix b/modules/all.nix
new file mode 100644
index 0000000..a7d45b0
--- /dev/null
+++ b/modules/all.nix
@@ -0,0 +1,71 @@
+{ config, lib, kubenix, ... }:
+
+with lib;
+
+let
+  parentConfig = config;
+in {
+  imports = with kubenix; [ submodules k8s docker ];
+
+  options = {
+    kubenix.release = mkOption {
+      description = "Name of the release";
+      type = types.str;
+      default = "default";
+    };
+
+    kubernetes.propagateDefaults = mkOption {
+      description = "Whether to propagate child defaults to submodules";
+      type = types.bool;
+      default = true;
+    };
+
+    submodules.instances = mkOption {
+       type = types.attrsOf (types.submodule ({config, ...}: {
+        options = {
+          namespace = mkOption {
+            description = "Default kubernetes namespace";
+            type = types.str;
+            default = "default";
+          };
+        };
+
+        config.config = {
+          kubernetes.api.defaults = [{
+            default.metadata.namespace = mkDefault config.namespace;
+          }];
+        };
+      }));
+    };
+  };
+
+  config = {
+    submodules.defaults = [{
+      default = {
+        imports = [ kubenix.all ];
+        kubernetes.version = mkDefault config.kubernetes.version;
+        kubernetes.api.defaults =
+          mkIf config.kubernetes.propagateDefaults config.kubernetes.api.defaults;
+      };
+    } {
+      default = ({config, ...}: {
+        kubenix.release = parentConfig.kubenix.release;
+        kubernetes.api.defaults = [{
+          default.metadata.labels = {
+            "kubenix/module-name" = config.submodule.name;
+            "kubenix/module-version" = config.submodule.version;
+            "kubenix/release" = config.kubenix.release;
+          };
+        }];
+      });
+    }];
+
+    kubernetes.objects = mkMerge (mapAttrsToList (_: submodule:
+      submodule.config.kubernetes.objects
+    ) config.submodules.instances);
+
+    docker.push = mkMerge (mapAttrsToList (_: submodule:
+      submodule.config.docker.push
+    ) config.submodules.instances);
+  };
+}
diff --git a/modules/default.nix b/modules/default.nix
index 72750db..d8260e3 100644
--- a/modules/default.nix
+++ b/modules/default.nix
@@ -1,9 +1,9 @@
 {
   submodules = ./submodules.nix;
   k8s = ./k8s;
-  k8s-submodules = ./k8s/submodule.nix;
   istio = ./istio;
   testing = ./testing;
   helm = ./helm;
   docker = ./docker;
+  all = ./all.nix;
 }
diff --git a/modules/submodules.nix b/modules/submodules.nix
index df34edc..4ea4d0a 100644
--- a/modules/submodules.nix
+++ b/modules/submodules.nix
@@ -191,6 +191,7 @@ in {
 
     submodules.instances = mkOption {
       description = "Attribute set of submodule instances";
+      default = {};
       type = types.attrsOf (types.submodule ({name, config, ...}: let
         # submodule associated with
         submodule = findSubmodule {
diff --git a/release.nix b/release.nix
index 3658a78..23a1e0d 100644
--- a/release.nix
+++ b/release.nix
@@ -1,4 +1,4 @@
-{pkgs ? import <nixpkgs> {}}:
+{ pkgs ? import <nixpkgs> {} }:
 
 let
   kubenix = import ./. { inherit pkgs; };
diff --git a/tests/k8s/submodule.nix b/tests/all.nix
similarity index 93%
rename from tests/k8s/submodule.nix
rename to tests/all.nix
index 6fb68f4..50d6c1e 100644
--- a/tests/k8s/submodule.nix
+++ b/tests/all.nix
@@ -8,12 +8,12 @@ let
   image = images.nginx;
 in {
   imports = [
-    kubenix.k8s-submodules
+    kubenix.all
   ];
 
   test = {
-    name = "k8s-submodules";
-    description = "Simple k8s submodule test";
+    name = "all";
+    description = "Test testing all submodule";
     assertions = [{
       message = "Namespace not propagated";
       assertion = deployment.metadata.namespace == "test";
diff --git a/tests/default.nix b/tests/default.nix
index 60ab3f6..9ff3e11 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -30,7 +30,6 @@ let
           ./k8s/deployment.nix
           ./k8s/crd.nix
           ./k8s/1.13/crd.nix
-          ./k8s/submodule.nix
           ./k8s/defaults.nix
           ./k8s/order.nix
           ./helm/simple.nix
@@ -38,6 +37,7 @@ let
           ./submodules/simple.nix
           ./submodules/defaults.nix
           ./submodules/versioning.nix
+          ./all.nix
         ];
         testing.defaults = ({kubenix, ...}: {
           imports = [kubenix.k8s];