specify host=127.0.0.1 in build.mjs for cors

build.mjs

@@ -13,7 +13,8 @@ if(process.argv[2] === 'serve'){
   const context = await esbuild.context(config);
 
   const {host, port} = await context.serve({
-    servedir: 'dist'
+    servedir: 'dist',
+    host: '127.0.0.1'
   });
 
   console.log(`Listening on http://${host}:${port}/`);