feat(docker): build and serve with Node and npm instead of Nginx

README.md

@@ -10,7 +10,7 @@ Inspired by native terminal environments, modal text editors (Zed, Ghostty), and
 
 ### 1.1 Static Generation via Eleventy (11ty)
 - **Engine:** Fast, pre-rendered static HTML and minimal client-side runtime using **Eleventy** and **Nunjucks (`.njk`)** templates.
-- **Performance:** Instant time-to-first-byte (TTFB), zero client-side framework bloat, and pure static asset delivery via Alpine Nginx.
+- **Performance:** Instant time-to-first-byte (TTFB), zero client-side framework bloat, and pure static asset delivery via high-performance native Node runtime.
 - **Syntax Highlighting & Code Blocks:** Terminal-styled code blocks with title bars displaying filenames, language tags, and high-contrast monospace code.
 
 ### 1.2 Dynamic Obsidian Publishing Pipeline
@@ -70,8 +70,9 @@ Adhering to the principles in [`sample-designs/design-specification.md`](./sampl
 │   └── posts/                      # Markdown content ingested from Obsidian
 ├── .eleventy.js                    # Eleventy configuration, markdown-it plugins, and shortcodes
 ├── package.json                    # Project dependencies & build scripts
-├── Dockerfile                      # Alpine Nginx container definition
-├── docker-compose.yml              # Multi-container orchestration (web + ingestion API)
+├── server.js                       # Native Node static web server & clean-URL router
+├── Dockerfile                      # Node container definition (built & served via npm)
+├── docker-compose.yml              # Container orchestration (web gateway)
 └── AGENTS.md                       # Project-level agent instructions & pair programming guide
 ```