add example

config/default.nix

@@ -0,0 +1,6 @@
+{ nixpkgs ? import <nixpkgs> { } }:
+
+{
+  nixpkgs = nixpkgs;
+  playground = { port = "8083";  server = import ../playground/example/services/rust; };
+}

config/flake.nix

@@ -1,9 +0,0 @@
-{
-  inputs.nixpkgs.url = "nixpkgs/nixos-23.05";
-
-  outputs = { self, nixpkgs }: rec {
-    supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
-    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
-    nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
-  };
-}

flake.lock

@@ -1,35 +1,5 @@
 {
   "nodes": {
-    "config": {
-      "inputs": {
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1,
-        "narHash": "sha256-x1tXOK1tiPQabKK5TOzHQ0HxtFobkEoxwWPvuo6YYvc=",
-        "path": "config",
-        "type": "path"
-      },
-      "original": {
-        "path": "config",
-        "type": "path"
-      }
-    },
-    "config_2": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_2"
-      },
-      "locked": {
-        "lastModified": 1,
-        "narHash": "sha256-x1tXOK1tiPQabKK5TOzHQ0HxtFobkEoxwWPvuo6YYvc=",
-        "path": "config",
-        "type": "path"
-      },
-      "original": {
-        "path": "config",
-        "type": "path"
-      }
-    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1686331006,
@@ -45,40 +15,9 @@
         "type": "indirect"
       }
     },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1686331006,
-        "narHash": "sha256-hElRDWUNG655aqF0awu+h5cmDN+I/dQcChRt2tGuGGU=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "85bcb95aa83be667e562e781e9d186c57a07d757",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "ref": "nixos-23.05",
-        "type": "indirect"
-      }
-    },
-    "playground": {
-      "inputs": {
-        "config": "config_2"
-      },
-      "locked": {
-        "lastModified": 1,
-        "narHash": "sha256-6/SzH0gS563+ouSexLKi3gmTlyOsgg3Ps/plwn8IhnE=",
-        "path": "playground/example/service",
-        "type": "path"
-      },
-      "original": {
-        "path": "playground/example/service",
-        "type": "path"
-      }
-    },
     "root": {
       "inputs": {
-        "config": "config",
+        "nixpkgs": "nixpkgs"
-        "playground": "playground"
       }
     }
   },

flake.nix

@@ -1,34 +1,46 @@
 {
   description = "";
   inputs = { 
-    config.url = "path:config";
+    nixpkgs.url = "nixpkgs/nixos-23.05";
-    playground.url = "path:playground/example/service"; 
   };
-  outputs = { self, config, playground }:
+
+  outputs = { self, nixpkgs }:
     let
       version = "0.0.1";
       name = "develnixos";
 
-      forAllSystems = config.forAllSystems;
+      supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
-      nixpkgsFor = config.nixpkgsFor;
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+      nixpkgsFor = forAllSystems (system: import nixpkgs { inherit system; });
+      
       devTaskScripts = forAllSystems (system: {
         autoTag = nixpkgsFor.${system}.writeScript "auto_tag.sh" ''
           git tag --force v${version}
           git push origin v${version}
         '';
       });
-    in rec {
-      packages = playground.packages;
 
+      space = forAllSystems (system: rec {
+        config = import ./config { nixpkgs = nixpkgsFor.${system}; };
+        playground = import ./playground/example { config = config; };
+      });
+
+    in rec {
+      packages = forAllSystems (system: {
+          default = space.${system}.playground.package;
+        });
       apps = forAllSystems (system:
         let
+          testConfig = import ./config { nixpkgs = nixpkgsFor.${system}; };
+          testapp = import ./playground/example { config = testConfig; };
+
           updateLockScript =
             nixpkgsFor.${system}.writeShellScriptBin "update_flake_lock.sh" ''
               nix --experimental-features 'nix-command flakes' flake lock --update-input nixpkgs
               nix --experimental-features 'nix-command flakes' build 
             '';
         in {
-          default = playground.apps.default;
+          default = space.${system}.playground.app;
           devTasks = {
             updateFlakeLock = {
               type = "app";

playground/example/config/default.nix

@@ -0,0 +1,5 @@
+{ config ? import ../../../config { } }:
+
+{
+  playground = { port = "8081";  server = import ../services/python; };
+} // config

playground/example/config/flake.nix

@@ -1,5 +0,0 @@
-{
-  inputs = { config.url = "path:config"; };
-
-  outputs = { self, config }: config //. {playground  = { port = "8080"; }; };
-}

playground/example/default.nix

@@ -0,0 +1,16 @@
+{ config ? import ../config { } }:
+
+let
+
+  app = import ./services { config = config; };
+
+in {
+
+  package = app;
+
+  app = {
+    type = "app";
+    program = "${app}";
+  };
+
+}

playground/example/service/flake.nix

@@ -1,31 +0,0 @@
-{
-  description = "";
-  inputs = { config.url = "path:playground/example/config"; };
-  outputs = { self, config }:
-    let
-      version = "0.0.1";
-      name = "develnixos";
-
-      forAllSystems = config.forAllSystems;
-      nixpkgsFor = config.nixpkgsFor;
-      devTaskScripts = forAllSystems (system: {
-        autoTag = nixpkgsFor.${system}.writeScript "auto_tag.sh" ''
-          git tag --force v${version}
-          git push origin v${version}
-        '';
-      });
-    in rec {
-      packages = forAllSystems (system: {
-        default = nixpkgsFor.${system}.writeScript "python-webserver" '' 
-          python -m http.server 8080        
-        '';
-      });
-
-      apps = forAllSystems (system: {
-          default = {
-            type = "app";
-            program = "${packages.${system}.default}";
-          };
-      });  
-    };
-}

playground/example/services/default.nix

@@ -0,0 +1,5 @@
+{ config ? import ../config { } }:
+
+config.nixpkgs.writeScript "example-web-server" ''
+    ${config.playground.server {config = config;}}
+''

playground/example/services/python/default.nix

@@ -0,0 +1,5 @@
+{ config ? import ../../config { } }:
+
+config.nixpkgs.writeScript "python-example-web-server" ''
+  ${config.nixpkgs.python3}/bin/python -m http.server ${config.playground.port}        
+''

playground/example/services/rust/default.nix

@@ -0,0 +1,6 @@
+{ config ? import ../../config { } }:
+
+config.nixpkgs.writeScript "rust-example-web-server" ''
+  ${config.nixpkgs.simple-http-server}/bin/simple-http-server --port ${config.playground.port}        
+''
+