fix next config

.env.production

@@ -1,22 +1,15 @@
-NEXT_PUBLIC_RUNTIME_ENV=production
-NEXT_PUBLIC_HOME_URL=https://tidb.net
-NEXT_PUBLIC_ACCOUNTS_BASE_URL=https://accounts.pingcap.cn
+NEXT_PUBLIC_RUNTIME_ENV=preview
+NEXT_PUBLIC_HOME_URL=https://community-preview.tidb.net
+NEXT_PUBLIC_ACCOUNTS_BASE_URL=https://accounts-preview.pingcap.cn
 NEXT_PUBLIC_API_BASE_URL=$NEXT_PUBLIC_HOME_URL
 NEXT_PUBLIC_LOCALES_BASE_URL=$NEXT_PUBLIC_HOME_URL/locales
 NEXT_PUBLIC_STRAPI_BASE_URL=http://community-cms.default.svc.cluster.local
-NEXT_PUBLIC_ASKTUG_WEBSITE_BASE_URL=https://asktug.com
-NEXT_PUBLIC_ASKTUG_PROXY_BASE_URL=$NEXT_PUBLIC_HOME_URL/_asktug
-
-# Available feature toggles
 NEXT_PUBLIC_FT_ACTIVITIES=true
-
-# DSN of pingcap/tug-website
-SENTRY_DSN=https://cc3bce60904940f8a8e5795ef6be2ae7@o226447.ingest.sentry.io/5756513
-NEXT_PUBLIC_SENTRY_DSN=$SENTRY_DSN
-NEXT_PUBLIC_CDN_URL=https://img1.tidb.net
 NEXT_PUBLIC_CMS_CDN_URL=https://img3.pingcap.com
+NEXT_PUBLIC_CDN_URL=https://tidb-net-preview.oss-cn-beijing.aliyuncs.com
+NEXT_PUBLIC_ASKTUG_PROXY_BASE_URL=$NEXT_PUBLIC_HOME_URL/_asktug
+NEXT_PUBLIC_ASKTUG_WEBSITE_BASE_URL=https://new.asktug.com
 SENTRY_ORG=pingcap
 SENTRY_PROJECT=tug-website
-ENABLE_SENTRY=true
+ENABLE_SENTRY=false
 SENTRY_NO_PROGRESS_BAR=1
-SENTRY_LOG_LEVEL=debug

next.config.js

@@ -5,9 +5,7 @@ const { withSentryConfig } = require('@sentry/nextjs');
 
 const { i18n } = require('./next-i18next.config');
 
-const os = require('os');
-const platform = os.platform();
-const outputStandaloneEnable = platform === 'linux';
+const outputStandaloneEnable = !!process.env.CI;
 
 const unifyNodeModules = (names) =>
   names.reduce(