feat(nix): add comfy-ui module and enable it for server

flake.lock

@@ -428,6 +428,31 @@
         "type": "github"
       }
     },
+    "python-flexseal": {
+      "inputs": {
+        "flake-utils": [
+          "stable-diffusion-webui-nix",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "stable-diffusion-webui-nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1751898758,
+        "narHash": "sha256-8EmTPdfOymvvHhmHYWiyO3cwZ4gtLo5uBFm3CU5vySo=",
+        "owner": "Janrupf",
+        "repo": "python-flexseal",
+        "rev": "af318e1fd047abbefcc68d0292a4d902179c95fe",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Janrupf",
+        "repo": "python-flexseal",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "dedupe_flake-compat": "dedupe_flake-compat",
@@ -447,6 +472,7 @@
         "nur": "nur",
         "nvf": "nvf",
         "sops-nix": "sops-nix",
+        "stable-diffusion-webui-nix": "stable-diffusion-webui-nix",
         "stylix": "stylix",
         "systems": "systems",
         "text": "text"
@@ -472,6 +498,30 @@
         "type": "github"
       }
     },
+    "stable-diffusion-webui-nix": {
+      "inputs": {
+        "flake-utils": [
+          "dedupe_flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "python-flexseal": "python-flexseal"
+      },
+      "locked": {
+        "lastModified": 1751899247,
+        "narHash": "sha256-bh6xwc24Rv0YE4grKXvj+kmXmydns+OrlWn4WLnJSY4=",
+        "owner": "janrupf",
+        "repo": "stable-diffusion-webui-nix",
+        "rev": "d5ba5dccd190b0ded17f9c4a23dc7665c6dc2eae",
+        "type": "github"
+      },
+      "original": {
+        "owner": "janrupf",
+        "repo": "stable-diffusion-webui-nix",
+        "type": "github"
+      }
+    },
     "stylix": {
       "inputs": {
         "base16": "base16",

flake.nix

@@ -15,6 +15,17 @@
     systems.url = "github:nix-systems/default";
     # nixos-unstable provides a binary cache for all packages.
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    # home-manager manages our user packages and dotfiles
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    # the nix user repository for mainly firefox extensions
+    nur = {
+      url = "github:nix-community/NUR";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-parts.follows = "flake-parts";
+    };
     # impermanence provides a nice abstraction over linking files from /persist
     impermanence.url = "github:nix-community/impermanence";
     # flake-parts lets us define flake modules.
@@ -65,24 +76,13 @@
       };
     };
 
-    ### HOME-MANAGER ###
+    ### FLAKES ###
 
-    # home-manager manages our user packages and dotfiles
-    home-manager = {
-      url = "github:nix-community/home-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
     # nix-index-database indexes the nixpkgs binaries for use with comma
     nix-index-database = {
       url = "github:nix-community/nix-index-database";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    # the nix user repository for mainly firefox extensions
-    nur = {
-      url = "github:nix-community/NUR";
-      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.flake-parts.follows = "flake-parts";
-    };
     # nvf provides modules to wrap neovim
     nvf = {
       url = "github:notashelf/nvf";
@@ -94,6 +94,12 @@
         mnw.follows = "dedupe_mnw";
       };
     };
+    # provides comfy ui and sdwebui services
+    stable-diffusion-webui-nix = {
+      url = "github:janrupf/stable-diffusion-webui-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-utils.follows = "dedupe_flake-utils";
+    };
 
     ### DEDUPE ###
 

nix/lib/services.nix

@@ -18,14 +18,33 @@ in
     mkHost = domain: if isRootDomain domain then domain else mkWildcardDomain (mkRootDomain domain);
     mkWebApp =
       {
+        config,
         name,
         defaultPort,
         persistDirs ? [ ],
-        serviceConfig ? { },
         extraOptions ? { },
+        extraConfig ? { },
       }:
       let
         cfg = config.server.web-apps.${name};
+        networkingConfig =
+          {
+            config,
+            cfg,
+            name,
+          }:
+          mkIf (cfg.domain != "") {
+            assertions = singleton {
+              assertion = config.server.web-servers.nginx.enable;
+              message = "You must enable a web server if you want to set server.web-apps.${name}.domain.";
+            };
+            server.ddns.domains = singleton (mkRootDomain cfg.domain);
+            server.web-servers.nginx.proxies = singleton {
+              source = cfg.domain;
+              target = "http://${config.hostname}:${toString cfg.port}";
+            };
+          };
+
       in
       {
         options.server.web-apps.${name} = {
@@ -41,20 +60,10 @@ in
             inherit persistDirs;
             networking.firewall = mkIf cfg.openFirewall { allowedTCPPorts = singleton cfg.port; };
           }
-          (mkIf (cfg.domain != "") {
+          (networkingConfig { inherit config cfg name; })
-            assertions = singleton {
+          extraConfig
-              assertion = config.server.web-servers.nginx.enable;
-              message = "You must enable a web server if you want to set server.web-apps.${name}.domain.";
-            };
-            server.networking.ddns.domains = singleton (mkRootDomain cfg.domain);
-            server.web-servers.nginx.proxies = singleton {
-              source = cfg.domain;
-              target = "http://${config.hostname}:${toString cfg.port}";
-            };
-          })
-          serviceConfig
-          cfg.extraCfg
         ]);
       };
+
   };
 }

nix/manifest.nix

@@ -23,6 +23,7 @@
             }
           ];
         };
+        extraCfg.server.web-apps.comfy-ui.enable = true;
       };
       apollo = {
         graphical = false;

nix/modules/server/web-apps/comfy-ui.nix

@@ -0,0 +1,34 @@
+{
+  lib,
+  config,
+  inputs,
+  ...
+}:
+let
+  inherit (lib.lists) singleton;
+  inherit (config.flake.lib.services) mkWebApp;
+in
+{
+  flake.modules.nixos.default =
+    { config, ... }:
+    let
+      upstreamCfg = config.services.comfyUi;
+    in
+    mkWebApp {
+      inherit config;
+      name = "comfy-ui";
+      defaultPort = 8188;
+      persistDirs = singleton {
+        directory = upstreamCfg.dataDir;
+        inherit (upstreamCfg) user group;
+        mode = "777";
+      };
+      extraConfig.services.comfyUi = {
+        enable = true;
+        listenHost = "0.0.0.0";
+      };
+    }
+    // {
+      imports = [ inputs.stable-diffusion-webui-nix.nixosModules.default ];
+    };
+}