implemented release build

next.config.ts

@@ -2,7 +2,29 @@ import type { NextConfig } from 'next'
 
 const nextConfig: NextConfig = {
     experimental: {
+        // call tsc6 instead of import 'typescript'
         useTypeScriptCli: true,
+        // faster "npm run dev"
+        turbopackFileSystemCacheForDev: true,
+        // don't create temporary files in .next/ during "npm run build"
+        turbopackFileSystemCacheForBuild: false,
+        // options to make standalone build more debuggable
+        serverSourceMaps: true,
+        serverMinification: false,
+    },
+    // produce .next/standalone
+    // which can be started by `node server.js` without any dependencies
+    output: 'standalone',
+    images: {
+        unoptimized: true,
+    },
+    // remove next/image from build, which this project doesn't use
+    outputFileTracingExcludes: {
+        '*': ['node_modules/sharp/**', 'node_modules/@img/**'],
+    },
+    // sometimes production builds ran without proper type checking
+    typescript: {
+        ignoreBuildErrors: false,
     },
 }