Learn flakes the fun way

post.md

@@ -152,7 +152,7 @@ index 99d6d52..81e98c9 100644
      devShells = pkgsFor (pkgs: {
 ```
 
-```bash
+```console
 $ docker load < $(nix build .#docker-image --print-out-paths)
 Loaded image: what-is-my-ip-docker:c9g6x30invdq1bjfah3w1aw5w52vkdfn
 $ docker run -it what-is-my-ip-docker:c9g6x30invdq1bjfah3w1aw5w52vkdfn
@@ -168,19 +168,6 @@ diff --git a/flake.nix b/flake.nix
 index 99d6d52..81e98c9 100644
 --- a/flake.nix
 +++ b/flake.nix
-@@ -10,6 +10,12 @@
-   in {
-     packages = pkgsFor (pkgs: {
-       default = pkgs.callPackage ./what-is-my-ip.nix {};
-+      container = pkgs.dockerTools.buildImage {
-+        name = "what-is-my-ip-container";
-+        config = {
-+          Cmd = ["${self.outputs.packages.${pkgs.system}.default}/bin/what-is-my-ip"];
-+        };
-+      };
-     });
- 
-     devShells = pkgsFor (pkgs: {
 @@ -20,5 +26,27 @@
          '';
        };
@@ -219,13 +206,10 @@ $ ./result/bin/run-nixos-vm
 nixos login: alice
 Password: 
 
-[alice@nixos:~]$ which what-is-my-ip
-/etc/profiles/per-user/alice/bin/what-is-my-ip
-
-[alice@nixos:~]$ readlink $(which what-is-my-ip)
+$ readlink $(which what-is-my-ip)
 /nix/store/lr6wlz2652r35rwzc79samg77l6iqmii-what-is-my-ip/bin/what-is-my-ip
 
-[alice@nixos:~]$ what-is-my-ip
+$ what-is-my-ip
 24.5.113.148
 ```