docs: upgrade docs site to Astro 6 and update Node.js prerequisites (#244)

Upgrades the docs site from Astro 5/Starlight 0.37 to Astro 6/Starlight 0.38.
Adds Cloudflare adapter for deployment. Updates Node.js prerequisites
across all docs to match Astro 6's requirement of v22.12.0+.
Bumps catalog versions for @astrojs/cloudflare and wrangler.

docs/astro.config.mjs

@@ -1,3 +1,4 @@
+import cloudflare from "@astrojs/cloudflare";
 import starlight from "@astrojs/starlight";
 // @ts-check
 import { defineConfig } from "astro/config";
@@ -162,4 +163,6 @@ export default defineConfig({
 			],
 		}),
 	],
+
+	adapter: cloudflare(),
 });

docs/package.json

@@ -8,18 +8,20 @@
     "start": "astro dev",
     "build": "astro build",
     "preview": "astro preview",
-    "astro": "astro"
+    "astro": "astro",
+    "generate-types": "wrangler types"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.37.4",
-    "@astrojs/starlight-tailwind": "^4.0.2",
-    "astro": "^5.6.1",
+    "@astrojs/cloudflare": "^13.1.7",
+    "@astrojs/starlight": "^0.38.2",
+    "@astrojs/starlight-tailwind": "^5.0.0",
+    "astro": "^6.1.3",
     "sharp": "^0.34.5",
     "starlight-utils": "^1.0.0",
     "tailwindcss": "^4.1.18",
-    "wrangler": "^4.63.0"
+    "wrangler": "catalog:"
   },
-  "devDependencies": {},
-  "peerDependencies": {},
-  "optionalDependencies": {}
+  "overrides": {
+    "vite": "^7"
+  }
 }

docs/src/content/docs/deployment/nodejs.mdx

@@ -5,11 +5,11 @@ description: Deploy EmDash to any Node.js hosting platform.
 
 import { Aside, Steps, Tabs, TabItem } from "@astrojs/starlight/components";
 
-EmDash runs on any Node.js 18+ hosting platform. This guide covers deployment to common providers using SQLite and local or S3-compatible storage.
+EmDash runs on any Node.js 22+ hosting platform. This guide covers deployment to common providers using SQLite and local or S3-compatible storage.
 
 ## Prerequisites
 
-- Node.js 18.17.1 or higher
+- Node.js v22.12.0 or higher
 - A Node.js hosting provider or VPS
 
 ## Configuration
@@ -91,14 +91,14 @@ export default defineConfig({
 Create a `Dockerfile`:
 
 ```dockerfile title="Dockerfile"
-FROM node:20-alpine AS builder
+FROM node:22-alpine AS builder
 WORKDIR /app
 COPY package*.json ./
 RUN npm ci
 COPY . .
 RUN npm run build
 
-FROM node:20-alpine
+FROM node:22-alpine
 WORKDIR /app
 COPY --from=builder /app/dist ./dist
 COPY --from=builder /app/node_modules ./node_modules

docs/src/content/docs/getting-started.mdx

@@ -11,7 +11,7 @@ This guide walks you through creating your first EmDash site, from installation
 
 ## Prerequisites
 
-- **Node.js** 18.17.1 or higher
+- **Node.js** v22.12.0 or higher (odd-numbered versions are not supported)
 - **npm**, **pnpm**, or **yarn**
 - A code editor (VS Code recommended)
 

docs/tsconfig.json

@@ -1,5 +1,5 @@
 {
 	"extends": "astro/tsconfigs/strict",
-	"include": [".astro/types.d.ts", "**/*"],
+	"include": [".astro/types.d.ts", "**/*", "./worker-configuration.d.ts"],
 	"exclude": ["dist"]
 }

docs/wrangler.jsonc

@@ -0,0 +1,21 @@
+{
+	"$schema": "node_modules/wrangler/config-schema.json",
+	"compatibility_date": "2026-03-01",
+	"routes": [
+		{
+			"pattern": "docs.emdashcms.com",
+			"custom_domain": true,
+			"zone_name": "emdashcms.com",
+		},
+	],
+	"compatibility_flags": ["global_fetch_strictly_public", "nodejs_compat"],
+	"name": "docs",
+	"main": "@astrojs/cloudflare/entrypoints/server",
+	"assets": {
+		"directory": "./dist",
+		"binding": "ASSETS",
+	},
+	"observability": {
+		"enabled": true,
+	},
+}