Set epoch as default build id

Author: junekimdev

next.config.js

@@ -3,13 +3,11 @@ module.exports = {
   // This sets environment variable for SSR
   env: {
     NEXT_PUBLIC_PUBLIC_URL: process.env.NEXT_PUBLIC_PUBLIC_URL,
-    // NEXT_PUBLIC_CMS_URL: process.env.NEXT_PUBLIC_CMS_URL,
-    // NEXT_PUBLIC_GTAG_ID: process.env.NEXT_PUBLIC_GTAG_ID,
+    //NEXT_PUBLIC_CMS_URL: process.env.NEXT_PUBLIC_CMS_URL,
+    //NEXT_PUBLIC_GTAG_ID: process.env.NEXT_PUBLIC_GTAG_ID,
     NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL,
   },
-  // @see https://github.com/zeit/next.js/wiki/Deployment
-  // When process.env.BUILD_ID is undefined, fall back to the default
-  generateBuildId: async () => (process.env.BUILD_ID ? process.env.BUILD_ID : null),
+  generateBuildId: async () => process.env.BUILD_ID ?? new Date().getTime(),
   eslint: { ignoreDuringBuilds: true },
   poweredByHeader: false,
   reactStrictMode: true,