Add server only to restrict things properly, starting on Prisma setup.

src/pages/_app.tsx

@@ -3,12 +3,14 @@ import { AppProps } from 'next/app';
 import './globals.scss';
 import { LanguageProvider } from '@/providers/LanguageProvider';
 import { APIProvider } from '@/providers/APIProvider';
+import { Header } from '@/components/Header';
 
 const RootLayout:React.FC<AppProps> = ({ Component, pageProps }) => {
   return (
     <>
       <LanguageProvider>
         <APIProvider>
+          <Header />
           <Component {...pageProps} />
         </APIProvider>
       </LanguageProvider>

src/pages/api/v1/graphql.ts

@@ -1,3 +1,4 @@
+import 'server-only';
 import { typeDefs, schema } from "@/graphql/schema";
 import { ApolloServer } from "apollo-server-micro";
 import { NextApiRequest, NextApiResponse } from "next";

src/pages/api/v1/rom.ts

@@ -1,3 +1,4 @@
+import 'server-only';
 import { NextApiHandler } from "next";
 import * as fs from 'fs';
 import * as path from 'path';

src/pages/api/v1/save.ts

@@ -1,3 +1,4 @@
+import 'server-only';
 import { NextApiHandler } from "next";
 import * as fs from 'fs';
 import * as path from 'path';