create portable service image

Signed-off-by: Xe <me@christine.website>

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "flake-utils": {
       "locked": {
-        "lastModified": 1638122382,
-        "narHash": "sha256-sQzZzAbvKEqN9s0bzWuYmRaA03v40gaJ4+iL1LXjaeI=",
+        "lastModified": 1644229661,
+        "narHash": "sha256-1YdnJAsNy69bpcjuoKdOYQX0YxZBiCYZo4Twxerqv7k=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "74f7e4319258e287b0f9cb95426c9853b282730b",
+        "rev": "3cecb5b042f7f209c56ffd8371b2711a290ec797",
         "type": "github"
       },
       "original": {
@@ -35,11 +35,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1640418986,
-        "narHash": "sha256-a8GGtxn2iL3WAkY5H+4E0s3Q7XJt6bTOvos9qqxT5OQ=",
+        "lastModified": 1645866791,
+        "narHash": "sha256-okyN8nAb0gFfF2rjjJnMiIuOM+nZXxZ9Wc2PyoYYKWo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5c37ad87222cfc1ec36d6cd1364514a9efc2f7f2",
+        "rev": "607178a179d6943cb64970882511c24b2a983c2b",
         "type": "github"
       },
       "original": {
@@ -49,11 +49,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1640418986,
-        "narHash": "sha256-a8GGtxn2iL3WAkY5H+4E0s3Q7XJt6bTOvos9qqxT5OQ=",
+        "lastModified": 1645866791,
+        "narHash": "sha256-okyN8nAb0gFfF2rjjJnMiIuOM+nZXxZ9Wc2PyoYYKWo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5c37ad87222cfc1ec36d6cd1364514a9efc2f7f2",
+        "rev": "607178a179d6943cb64970882511c24b2a983c2b",
         "type": "github"
       },
       "original": {
@@ -77,11 +77,28 @@
         "type": "github"
       }
     },
+    "portable-svc": {
+      "locked": {
+        "lastModified": 1645960986,
+        "narHash": "sha256-XuapDz2dkUAgKaj3L2EUgzXApn6IXGtQVg/TEfhr0w8=",
+        "ref": "main",
+        "rev": "138c25c1c3ee4f7945059e05259d3fe03678e843",
+        "revCount": 5,
+        "type": "git",
+        "url": "https://tulpa.dev/cadey/portable-svc.git"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://tulpa.dev/cadey/portable-svc.git"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
         "naersk": "naersk",
         "nixpkgs": "nixpkgs_2",
+        "portable-svc": "portable-svc",
         "xess": "xess"
       }
     },

flake.nix

@@ -3,12 +3,13 @@
     flake-utils.url = "github:numtide/flake-utils";
     naersk.url = "github:nix-community/naersk";
     xess.url = "github:Xe/Xess";
+    portable-svc.url = "git+https://tulpa.dev/cadey/portable-svc.git?ref=main";
   };
 
-  outputs = { self, nixpkgs, flake-utils, naersk, xess }:
+  outputs = { self, nixpkgs, flake-utils, naersk, xess, portable-svc }:
     flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (system:
       let
-        pkgs = nixpkgs.legacyPackages."${system}";
+        pkgs = import nixpkgs { overlays = [ portable-svc.overlay ]; inherit system; };
         naersk-lib = naersk.lib."${system}";
         src = ./.;
       in rec {
@@ -19,7 +20,7 @@
             root = ./.;
           };
           printerfacts = pkgs.stdenv.mkDerivation {
-            inherit (printerfacts-bin) name;
+            inherit (printerfacts-bin) pname version;
             inherit src;
             phases = "installPhase";
 
@@ -33,6 +34,17 @@
               }/static/css/xess.css $out/static/gruvbox.css
             '';
           };
+          printerfacts-service = pkgs.substituteAll {
+            name = "printerfacts.service";
+            src = ./systemd/printerfacts.service.in;
+            printerfacts = self.packages.${system}.printerfacts;
+          };
+          portable-service = pkgs.portableService {
+            inherit (self.packages.${system}.printerfacts) version;
+            name = "printerfacts";
+            description = "Printer facts";
+            units = [ self.packages.${system}.printerfacts-service ];
+          };
         };
         defaultPackage = packages.printerfacts;
 

shell.nix

@@ -0,0 +1,13 @@
+let
+  pkgs = import <nixpkgs> { };
+in pkgs.mkShell {
+  buildInputs = with pkgs; [
+    rustc
+    cargo
+    cargo-watch
+    rls
+    rustfmt
+  ];
+
+  RUST_LOG = "info";
+}

systemd/printerfacts.service.in

@@ -0,0 +1,10 @@
+[Unit]
+Description=The Printerfacts service
+
+[Service]
+DynamicUser=yes
+Environment=PORT=32042
+ExecStart=@printerfacts@/bin/printerfacts
+
+[Install]
+WantedBy=multi-user.target