optimise(): reduce docker image size and opengraph images (#4885)

.github/assets/nginx.conf

@@ -6,7 +6,8 @@ server {
     index  index.html;
 
     location / {
-        try_files $uri $uri/ /index.html;
+        try_files $uri $uri.html $uri/ =404;
+
         add_header X-Frame-Options "DENY";
         add_header X-Content-Type-Options "nosniff";
         add_header X-XSS-Protection "1; mode=block";

Dockerfile

@@ -1,22 +1,17 @@
-FROM node:25.7-slim AS base
+FROM node:25.7-alpine AS base
 ENV PNPM_HOME="/pnpm"
 ENV PATH="$PNPM_HOME:$PATH"
 RUN npm install -g pnpm@10.30.3
 WORKDIR /app
 COPY package.json pnpm-lock.yaml ./
 
-FROM base AS prod-deps
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile --config.autoInstallPeers=false
-
 FROM base AS build
 RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile --config.autoInstallPeers=false
 COPY . .
 RUN pnpm run docs:build
 
-FROM base
-ENV NODE_ENV=production
-COPY --from=prod-deps /app/node_modules /app/node_modules
-COPY --from=build /app/docs/.vitepress/dist /app/docs/.vitepress/dist
-
-EXPOSE 4173
-CMD ["pnpm", "docs:preview"]
+FROM nginx:alpine-slim
+COPY --from=build /app/docs/.vitepress/dist /usr/share/nginx/html
+COPY .github/assets/nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

docs/.vitepress/hooks/meta.ts

@@ -70,14 +70,14 @@ export function generateMeta(context: TransformContext, hostname: string) {
     ])
   } else {
     const url = pageData.filePath.replace('index.md', '').replace('.md', '')
-    const imageUrl = `${url}/__og_image__/og.png`
+    const imageUrl = `${url}/__og_image__/og.webp`
       .replaceAll('//', '/')
       .replace(/^\//, '')
 
     head.push(
       ['meta', { property: 'og:image', content: `${hostname}/${imageUrl}` }],
       ['meta', { property: 'og:image:width', content: '1200' }],
-      ['meta', { property: 'og:image:height', content: '628' }],
+      ['meta', { property: 'og:image:height', content: '630' }],
       ['meta', { property: 'og:image:type', content: 'image/png' }],
       [
         'meta',
@@ -85,7 +85,7 @@ export function generateMeta(context: TransformContext, hostname: string) {
       ],
       ['meta', { name: 'twitter:image', content: `${hostname}/${imageUrl}` }],
       ['meta', { name: 'twitter:image:width', content: '1200' }],
-      ['meta', { name: 'twitter:image:height', content: '628' }],
+      ['meta', { name: 'twitter:image:height', content: '630' }],
       [
         'meta',
         { name: 'twitter:image:alt', content: pageData.frontmatter.title }

docs/.vitepress/hooks/opengraph.ts

@@ -20,6 +20,7 @@ import { mkdir, readFile, writeFile } from 'node:fs/promises'
 import { dirname, resolve } from 'node:path'
 import { fileURLToPath } from 'node:url'
 import { renderAsync } from '@resvg/resvg-js'
+import sharp from 'sharp'
 import consola from 'consola'
 import { createContentLoader } from 'vitepress'
 import { satoriVue } from 'x-satori/vue'
@@ -102,8 +103,8 @@ async function generateImage({
 
   // consola.info(url, title, description)
   const options: SatoriOptions = {
-    width: 1800,
-    height: 900,
+    width: 1200,
+    height: 630,
     fonts,
     props: {
       title,
@@ -116,12 +117,16 @@ async function generateImage({
 
   const render = await renderAsync(svg)
 
+  const compressed = await sharp(render.asPng())
+    .webp({ quality: 75 })
+    .toBuffer()
+
   const outputFolder = resolve(outDir, url.slice(1), '__og_image__')
-  const outputFile = resolve(outputFolder, 'og.png')
+  const outputFile = resolve(outputFolder, 'og.webp')
 
   await mkdir(outputFolder, { recursive: true })
 
-  await writeFile(outputFile, render.asPng())
+  await writeFile(outputFile, compressed)
 }
 
 function getPage(page: string) {

package.json

@@ -36,6 +36,7 @@
     "nprogress": "^0.2.0",
     "pathe": "^2.0.3",
     "reka-ui": "^2.9.0",
+    "sharp": "^0.34.5",
     "unocss": "66.6.4",
     "vitepress": "^1.6.4",
     "vue": "^3.5.29",
@@ -43,7 +44,7 @@
     "zod": "^4.3.6"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20251202.0",
+    "@cloudflare/workers-types": "^4.20260305.1",
     "@ianvs/prettier-plugin-sort-imports": "^4.7.1",
     "@iconify-json/carbon": "^1.2.19",
     "@iconify-json/fluent": "^1.2.40",
@@ -73,7 +74,7 @@
     "vite-plugin-optimize-exclude": "^0.0.1",
     "vite-plugin-pwa": "^1.2.0",
     "vite-plugin-terminal": "^1.4.0",
-    "wrangler": "^4.52.1"
+    "wrangler": "^4.70.0"
   },
   "pnpm": {
     "peerDependencyRules": {