migrate to app dir and ssr

apps/web/src/server/auth.ts

@@ -1,10 +1,7 @@
+import { cache } from 'react';
 import { db } from '@/server/db';
 import { verifyPassword } from '@/server/services/hash.service';
-import type {
-  GetServerSidePropsContext,
-  NextApiRequest,
-  NextApiResponse,
-} from 'next';
+import type { NextApiRequest, NextApiResponse } from 'next';
 import { getServerSession } from 'next-auth';
 import type { DefaultSession, NextAuthOptions } from 'next-auth';
 import Credentials from 'next-auth/providers/credentials';
@@ -78,29 +75,12 @@ export const authOptions: NextAuthOptions = {
         };
       },
     }),
-    /**
-     * ...add more providers here.
-     *
-     * Most other providers require a bit more work than the Discord provider. For example, the
-     * GitHub provider requires you to add the `refresh_token_expires_in` field to the Account
-     * model. Refer to the NextAuth.js docs for the provider you want to use. Example:
-     *
-     * @see https://next-auth.js.org/providers/github
-     */
   ],
 };
 
-/**
- * Wrapper for `getServerSession` so that you don't need to import the `authOptions` in every file.
- *
- * @see https://next-auth.js.org/configuration/nextjs
- */
-export const getServerAuthSession = (ctx: {
-  req: GetServerSidePropsContext['req'];
-  res: GetServerSidePropsContext['res'];
-}) => {
-  return getServerSession(ctx.req, ctx.res, authOptions);
-};
+export const getSession = cache(
+  async () => await getServerSession(authOptions)
+);
 
 export async function validateSdkRequest(
   req: NextApiRequest,