fix: LinkedinProvider config was incorrect

app/lib/auth.ts

@@ -38,9 +38,22 @@ export const authConfig: NextAuthConfig = {
          clientId: process.env.GOOGLE_ID,
          clientSecret: process.env.GOOGLE_SECRET,
       }),
+      // config based on https://github.com/nextauthjs/next-auth/issues/8831
       LinkedinProvider({
          clientId: process.env.LINKEDIN_ID,
          clientSecret: process.env.LINKEDIN_SECRET,
+         authorization: { params: { scope: 'email openid' } },
+         issuer: 'https://www.linkedin.com',
+         jwks_endpoint: "https://www.linkedin.com/oauth/openid/jwks",
+         async profile(profile) {
+             return {
+                 id: profile.sub,
+                 name: profile.name,
+                 firstname: profile.given_name,
+                 lastname: profile.family_name,
+                 email: profile.email
+             }
+         },
       })
    ],
    secret: process.env.AUTH_SECRET,