fix: adds gzip

Author: velopert

src/index.server.ts

@@ -5,6 +5,8 @@ import proxy from 'koa-better-http-proxy';
 import Router from '@koa/router';
 import ssrMiddleware from './server/ssrMiddleware';
 import rateLimitMiddleware from './server/rateLimitMiddleware';
+import compress from 'koa-compress';
+import { constants } from 'zlib';
 
 console.log(process.env.REACT_APP_SSR);
 
@@ -13,6 +15,22 @@ const router = new Router();
 
 app.proxy = true;
 
+app.use(
+  compress({
+    filter(contentType) {
+      return /text/i.test(contentType);
+    },
+    threshold: 2048,
+    gzip: {
+      flush: constants.Z_SYNC_FLUSH,
+    },
+    deflate: {
+      flush: constants.Z_SYNC_FLUSH,
+    },
+    br: false, // disable brotli
+  }),
+);
+
 app.use(
   serve(path.resolve('./build'), {
     index: false,