no docker

docs/SITE-STRUCTURE.md

@@ -37,7 +37,6 @@ is kept in `website/`, while Astro emits the served site into `dist/`.
 - `scripts/copy-static-assets.mjs` - copies `assets/`, `css/`, and `js/` into `dist/`
 - `scripts/extract-content.mjs` - extracts dated post pages into `content/`
 - `scripts/extract-theme-css.mjs` - extracts repeated inline CSS into `css/theme.css` and `css/site.css`
-- `docker/` and `compose.yaml` - local static server preview
 - `.forgejo/` - deployment automation
 
 ## Shared Layout
@@ -80,15 +79,15 @@ Then open Astro's local URL, usually:
 http://localhost:4321
 ```
 
-For the Nginx preview, build first:
+For a production-style Astro preview, build first:
 
 ```bash
 npm run build
-docker compose up
+npm run preview
 ```
 
 Then open:
 
 ```text
-http://localhost:8080
+http://localhost:4321
 ```