update to use node adapter

astro.config.mjs

@@ -24,11 +24,13 @@ import remarkMath from 'remark-math' /* for latex math support */
 import rehypeKatex from 'rehype-katex' /* again, for latex math support */
 import remarkGemoji from './src/plugins/remark-gemoji' /* for shortcode emoji support */
 import rehypePixelated from './src/plugins/rehype-pixelated' /* Custom plugin to handle pixelated images */
-import vercel from '@astrojs/vercel'
+import node from '@astrojs/node'
 
 // https://astro.build/config
 export default defineConfig({
-  adapter: vercel(),
+  adapter: node({
+    mode: 'standalone',
+  }),
   site: siteConfig.site,
   trailingSlash: siteConfig.trailingSlashes ? 'always' : 'never',
   prefetch: true,