build push-container into image

.github/workflows/build.yaml

@@ -4,7 +4,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: docker.io/jcollie/nixos-runner:13-daa4f8d9
+    container: docker.io/jcollie/nixos-runner:14-9b8a7bca
     steps:
       - run: ldd /__e/node16/bin/node
       - uses: actions/checkout@v3

flake.nix

@@ -39,6 +39,8 @@
                   pkgs.nushell
                   pkgs.podman
                   pkgs.stdenv.cc.cc.lib
+
+                  self.packages.${system}.push-container
                 ];
 
                 flake-registry = null;
@@ -365,12 +367,20 @@
                   ];
                 };
               };
+            push-container = pkgs.writeTextFile {
+              name = "push-container";
+              destination = "/bin/push-container";
+              text = lib.concatStringsSep "\n" [
+                "#!${pkgs.nushell}/bin/nu"
+                (builtins.readFile ./push-container.nu)
+              ];
+              executable = true;
+            };
           };
           apps = {
             push-container =
               let
-                script = pkgs.writeTextFile
-                  {
+                script = pkgs.writeTextFile {
                   name = "push-container";
                   text = lib.concatStringsSep "\n" [
                     "#!${pkgs.nushell}/bin/nu"