website as flake input, declarative build via wynne-deploy

Source fetched by Nix from Forgejo, build runs on server with
DB access for prerendering. No manual git clone/pull needed.

flake.nix

@@ -7,11 +7,16 @@
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    website = {
+      url = "git+ssh://forgejo@git.ily.rs:4201/lew/website.git";
+      flake = false;
+    };
   };
 
-  outputs = { self, nixpkgs, sops-nix, ... }: {
+  outputs = { self, nixpkgs, sops-nix, website, ... }: {
     nixosConfigurations.lab = nixpkgs.lib.nixosSystem {
       system = "aarch64-linux";
+      specialArgs = { inherit website; };
       modules = [
         sops-nix.nixosModules.sops
         ./hosts/lab

hosts/lab/wynne.nix

@@ -1,12 +1,15 @@
-{ pkgs, ... }:
+{ pkgs, website, ... }:
 let
   port = 4322;
   dataDir = "/srv/wynne";
+  buildDir = "${dataDir}/build";
 
   deployScript = pkgs.writeShellScript "wynne-deploy" ''
     set -e
-    cd ${dataDir}/repo
-    ${pkgs.git}/bin/git pull
+    rm -rf ${buildDir}
+    cp -r ${website} ${buildDir}
+    chmod -R u+w ${buildDir}
+    cd ${buildDir}
     ${pkgs.pnpm}/bin/pnpm install --frozen-lockfile
     ASTRO_DB_REMOTE_URL=file:${dataDir}/data/guestbook.db ${pkgs.pnpm}/bin/pnpm build
   '';
@@ -27,9 +30,9 @@ in
 
   systemd.services.wynne-deploy = {
     description = "Build wynne.rs from source";
+    path = [ pkgs.nodejs ];
     serviceConfig = {
       Type = "oneshot";
-      User = "lew";
       ExecStart = deployScript;
     };
   };
@@ -46,12 +49,12 @@ in
     };
     serviceConfig = {
       Type = "simple";
-      WorkingDirectory = "${dataDir}/repo";
+      WorkingDirectory = buildDir;
       ExecStart = "${pkgs.nodejs}/bin/node dist/server/entry.mjs";
       Restart = "on-failure";
       User = "wynne";
       Group = "wynne";
-      ReadWritePaths = [ "${dataDir}/data" ];
+      ReadWritePaths = [ dataDir ];
     };
   };
 

justfile

@@ -14,3 +14,8 @@ check:
 update:
     git pull
     sudo nixos-rebuild switch --flake /etc/nixos#lab
+
+[doc("Pull latest website source, then rebuild and activate")]
+update-site:
+    nix flake update website
+    sudo nixos-rebuild switch --flake /etc/nixos#lab