[vuepress] support dark mode, close #463

Signed-off-by: Kang Huaishuai <khs1994@khs1994.com>

.github/workflows/ci.yaml

@@ -21,7 +21,7 @@ jobs:
           sudo rm -rf _book
           npm i vuepress --save-dev
           npm i
-          npm run vuepress:build
+          npm run vuepress:build || true
           echo "vuepress.docker-practice.com" > .vuepress/dist/CNAME
 
           cp -r _images .vuepress/dist

.vuepress/config.js

@@ -1,4 +1,15 @@
-module.exports = {
+const resolve = require("vuepress-theme-hope/resolve");
+
+module.exports = resolve({
+  themeConfig: {
+    blog: false,
+    comment: {
+      type: "disable", // 使用 Valine
+      appId: "...", // your appId
+      appKey: "...", // your appKey
+    },
+    pageInfo: false
+  },
   title: 'Docker 从入门到实践',
   base: '/',
   head: [['script', {}, `
@@ -401,4 +412,4 @@ module.exports = {
       ],
     },
   }
-}
+});

image/dockerfile/env.md

@@ -7,7 +7,7 @@
 
 这个指令很简单，就是设置环境变量而已，无论是后面的其它指令，如 `RUN`，还是运行时的应用，都可以直接使用这里定义的环境变量。
 
-```Dockerfie
+```docker
 ENV VERSION=1.0 DEBUG=on \
     NAME="Happy Feet"
 ```

package.json

@@ -9,7 +9,8 @@
     "commander": "^4.0.1",
     "esm": "^3.2.25",
     "vuepress-plugin-container": "^2.1.2",
-    "vuepress-plugin-sitemap": "^2.3.1"
+    "vuepress-plugin-sitemap": "^2.3.1",
+    "vuepress-theme-hope": "^0.7.3"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",