add example

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}        
+''
+