fix: homepage - backgroud image

hosts/12kingdoms-rakushun/caddy.nix

@@ -1,4 +1,9 @@
-{config, ...}: let
+{
+  pkgs,
+  config,
+  wallpapers,
+  ...
+}: let
   hostCommonConfig = ''
     encode zstd gzip
     tls ${../../certs/ecc-server.crt} ${config.age.secrets."certs/ecc-server.key".path} {
@@ -82,4 +87,11 @@ in {
     # directory for virtual machine's images
     "d /var/lib/caddy/fileserver/vms 0755 caddy caddy"
   ];
+
+  # Add all my wallpapers into /var/lib/caddy/fileserver/wallpapers
+  # Install the homepage-dashboard configuration files
+  system.activationScripts.installCaddyWallpapers = ''
+    mkdir -p /var/lib/caddy/fileserver/wallpapers
+    ${pkgs.rsync}/bin/rsync -avz --chmod=D2755,F644 ${wallpapers}/ /var/lib/caddy/fileserver/wallpapers/
+  '';
 }

hosts/12kingdoms-rakushun/homepage/config/settings.yaml

@@ -3,12 +3,12 @@
 # https://gethomepage.dev/latest/configs/settings
 
 title: Ryan Yin's Homelab
-base: http://home.writefor.fun/
+base: https://home.writefor.fun/
 favicon: https://thiscute.world/favicon.ico
 
 # https://developer.mozilla.org/en-US/docs/Web/Manifest/start_url
 # Used by some browsers to determine the start page of the web application
-startUrl: http://home.writefor.fun/
+startUrl: https://home.writefor.fun/
 
 language: zh
 
@@ -20,11 +20,11 @@ providers:
   weatherapi: { { HOMEPAGE_VAR_WEATHERAPI_APIKEY } }
 
 background:
-  image: /images/rolling-girls.png
+  image: https://file.writefor.fun/wallpapers/rolling-girls.png
   blur: sm # sm, "", md, xl... see https://tailwindcss.com/docs/backdrop-blur
-  saturate: 50 # 0, 50, 100... see https://tailwindcss.com/docs/backdrop-saturate
-  brightness: 50 # 0, 50, 75... see https://tailwindcss.com/docs/backdrop-brightness
-  opacity: 50 # 0-100
+  saturate: 90 # 0, 50, 100... see https://tailwindcss.com/docs/backdrop-saturate
+  brightness: 90 # 0, 50, 75... see https://tailwindcss.com/docs/backdrop-brightness
+  opacity: 85 # 0-100
 
 theme: dark # or light