chore: Use Vite as build tool (#4239)

site/package.json

@@ -5,7 +5,7 @@
   "private": true,
   "scripts": {
     "postinstall": "yarn typegen",
-    "build": "NODE_ENV=production webpack build --config=webpack.prod.ts",
+    "build": "NODE_ENV=production yarn vite build",
     "build:analyze": "NODE_ENV=production webpack --profile --progress --json --config=webpack.prod.ts > out/stats.json && webpack-bundle-analyzer out/stats.json out",
     "check:all": "yarn format:check && yarn lint && yarn test",
     "chromatic": "chromatic",

site/vite.config.ts

@@ -7,9 +7,13 @@ export default defineConfig({
   publicDir: path.resolve(__dirname, "./static"),
   build: {
     outDir: path.resolve(__dirname, "./out"),
+    // We need to keep the /bin folder and GITKEEP files
+    emptyOutDir: false,
   },
   define: {
-    "process.env": process.env,
+    "process.env": {
+      NODE_ENV: process.env.NODE_ENV,
+    },
   },
   server: {
     port: process.env.PORT ? Number(process.env.PORT) : 8080,