personal-blog: Init module

modules/system/web-services/personal-blog.nix

@@ -0,0 +1,51 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  cfg = config.custom.services.personal-blog;
+
+  dataDir = "/var/lib/personal-blog";
+in
+{
+  options.custom.services.personal-blog = {
+    enable = lib.mkEnableOption "";
+    domain = lib.mkOption {
+      type = lib.types.nonEmptyStr;
+      default = "";
+    };
+    port = lib.mkOption {
+      type = lib.types.port;
+      default = 3890;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    meta = {
+      domains.list = [ cfg.domain ];
+      ports.tcp.list = [ cfg.port ];
+    };
+
+    systemd.services = {
+      generate-blog = {
+        serviceConfig.Type = "oneshot";
+        before = [ "caddy.service" ];
+        startAt = "*:0/5"; # Every 5 minutes
+        path = [
+          pkgs.nix
+          pkgs.git
+        ];
+        script = "nix build git+https://git.sstork.dev/SebastianStork/blog?ref=main --out-link ${dataDir} --refresh";
+      };
+
+      caddy.after = [ "generate-blog.service" ];
+    };
+
+    services.caddy.virtualHosts.":${toString cfg.port}".extraConfig = ''
+      root * ${dataDir}
+      file_server
+    '';
+  };
+}