ci: setup gitlab ci auto deployment to vercel

.gitignore

@@ -38,3 +38,6 @@ Thumbs.db
 
 # Production build
 www/
+
+.vercel
+.env*

.gitlab-ci.yml

+stages:
+  - deploy
+
+default:
+  image: node:20-alpine
+
+# Tự động deploy Production khi push / merge vào nhánh master
+deploy_production:
+  stage: deploy
+  only:
+    - master
+  before_script:
+    - npm install -g vercel
+  script:
+    - vercel pull --yes --environment=production --token=$VERCEL_TOKEN
+    - vercel build --prod --token=$VERCEL_TOKEN
+    - vercel deploy --prebuilt --prod --token=$VERCEL_TOKEN
+
+# Deploy Preview khi push vào nhánh develop hoặc tạo Merge Request
+deploy_preview:
+  stage: deploy
+  only:
+    - develop
+    - merge_requests
+  before_script:
+    - npm install -g vercel
+  script:
+    - vercel pull --yes --environment=preview --token=$VERCEL_TOKEN
+    - vercel build --token=$VERCEL_TOKEN
+    - vercel deploy --prebuilt --token=$VERCEL_TOKEN

vercel.json

+{
+  "outputDirectory": "www",
+  "rewrites": [
+    {
+      "source": "/(.*)",
+      "destination": "/index.html"
+    }
+  ]
+}