revert proxy changes

deploy/values/review/values.yaml.gotmpl

@@ -77,7 +77,7 @@ frontend:
     NEXT_PUBLIC_FEATURED_NETWORKS:
       _default: https://raw.githubusercontent.com/blockscout/frontend-configs/dev/configs/featured-networks/eth-goerli.json
     NEXT_PUBLIC_API_HOST:
-      _default: eth-goerli.blockscout.com
+      _default: blockscout-main.k8s-dev.blockscout.com
     NEXT_PUBLIC_STATS_API_HOST:
       _default: https://stats-test.k8s-dev.blockscout.com/
     NEXT_PUBLIC_VISUALIZE_API_HOST:

lib/api/isNeedProxy.ts

-// import appConfig from 'configs/app/config';
+import appConfig from 'configs/app/config';
 
 // FIXME
 // I was not able to figure out how to send CORS with credentials from localhost
 // unsuccessfully tried different ways, even custom local dev domain
 // so for local development we have to use next.js api as proxy server
 export default function isNeedProxy() {
-  // eslint-disable-next-line no-restricted-properties
-  if (process.env.NEXT_PUBLIC_APP_INSTANCE === 'pw') {
-    return false;
-  }
-  return true;
+  return appConfig.host === 'localhost' && appConfig.host !== appConfig.api.host;
 }