Add machine image outputs to flake

configuration.nix

@@ -1,8 +1,5 @@
 { ... }: {
   imports = [
-    ./hardware-configuration.nix
-    ./networking.nix # generated at runtime by nixos-infect
-    ./mastodon.nix
   ];
 
   boot.cleanTmpDir = true;

flake.lock

@@ -1,5 +1,41 @@
 {
   "nodes": {
+    "nixlib": {
+      "locked": {
+        "lastModified": 1636849918,
+        "narHash": "sha256-nzUK6dPcTmNVrgTAC1EOybSMsrcx+QrVPyqRdyKLkjA=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "28a5b0557f14124608db68d3ee1f77e9329e9dd5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixos-generators": {
+      "inputs": {
+        "nixlib": "nixlib",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1666812839,
+        "narHash": "sha256-0nBDgjPU+iDsvz89W+cDEyhnFGSwCJmwDl/gMGqYiU0=",
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "rev": "41f3518bc194389df22a3d198215eae75e6b5ab9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixos-generators",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1668115648,
@@ -18,6 +54,7 @@
     },
     "root": {
       "inputs": {
+        "nixos-generators": "nixos-generators",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -3,9 +3,14 @@
     # nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     #nixpkgs.url = "github:ashkitten/nixpkgs/tootcat";
     nixpkgs.url = "github:vivlim/nixpkgs/tootcat";
+
+    nixos-generators = {
+      url = "github:nix-community/nixos-generators";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { nixpkgs, ... }: {
+  outputs = { nixpkgs, nixos-generators, ... }: {
     colmena = {
       meta = {
         nixpkgs = import nixpkgs {
@@ -18,6 +23,9 @@
         
         imports = [
           ./configuration.nix
+          ./hardware-configuration.nix
+          ./networking.nix # generated at runtime by nixos-infect
+          ./mastodon.nix
         ];
       };
     };
@@ -25,5 +33,23 @@
     devShells."x86_64-linux".default = import ./shell.nix {
       pkgs = nixpkgs.legacyPackages."x86_64-linux";
     };
+
+    droplet = nixos-generators.nixosGenerate {
+      system = "x86_64-linux";
+      modules = [
+        ./configuration.nix
+        ./mastodon-testinstance.nix
+      ];
+      format = "do";
+    };
+
+    virtualbox = nixos-generators.nixosGenerate {
+      system = "x86_64-linux";
+      modules = [
+        ./configuration.nix
+        ./mastodon-testinstance.nix
+      ];
+      format = "do";
+    };
   };
 }

mastodon-testinstance.nix

@@ -0,0 +1,39 @@
+{ pkgs, lib, ... }:
+
+let
+  mastodon = pkgs.mastodon.override {
+    version = import ./mastodon/version.nix;
+    srcOverride = pkgs.callPackage ./mastodon/source.nix {};
+    dependenciesDir = ./mastodon;
+    yarnSha256 = import ./mastodon/yarn-sha256.nix;
+  };
+in
+  {
+    services = {
+      mastodon = {
+        enable = true;
+        package = mastodon;
+        configureNginx = true;
+        localDomain = "test.toot.cat";
+
+        smtp.fromAddress = "server2022@toot.cat";
+
+        extraConfig = {
+          MAX_TOOT_CHARS = "1000000";
+        };
+      };
+
+      postgresqlBackup = {
+        enable = false;
+        databases = [ "mastodon" ];
+      };
+    };
+
+    networking.firewall.allowedTCPPorts = [ 80 443 ];
+
+    security.acme = {
+      acceptTerms = true;
+      defaults.email = "tc.certbot.2022@wooz.dev";
+      defaults.server = "https://acme-staging-v02.api.letsencrypt.org/directory"; # letsencrypt staging environment, so we don't hit rate limits
+    };
+  }