Keycloak auth error: expected 200 OK, got: 301 Moved Permanently

[antoineDievDecath]

EPAM AI DIAL chat version

0.10.0

What happened?

While trying to enable OIDC connection with keycloak I face this issues:

[next-auth][error][OAUTH_CALLBACK_ERROR]
https://next-auth.js.org/errors#oauth_callback_error expected 200 OK, got: 301 Moved Permanently {
  error: OPError: expected 200 OK, got: 301 Moved Permanently
      at processResponse (/app/node_modules/openid-client/lib/helpers/process_response.js:41:11)
      at Client.grant (/app/node_modules/openid-client/lib/client.js:1354:22)
      at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
      at async Client.callback (/app/node_modules/openid-client/lib/client.js:493:24)
      at async Object.request (/app/.next/server/chunks/796.js:1:588)
      at async oAuthCallback (/app/node_modules/next-auth/core/lib/oauth/callback.js:101:24)
      at async Object.callback (/app/node_modules/next-auth/core/routes/callback.js:52:11)
      at async AuthHandler (/app/node_modules/next-auth/core/index.js:208:28)
      at async NextAuthApiHandler (/app/node_modules/next-auth/next/index.js:22:19)
      at async NextAuth._args$ (/app/node_modules/next-auth/next/index.js:108:14) {
    name: 'OAuthCallbackError',
    code: undefined
  },
  providerId: 'keycloak',
  message: 'expected 200 OK, got: 301 Moved Permanently'
}

Here is my vars:

       - name: APP_BASE_ORIGIN
          value: dial-chat.mydomain.com
        - name: AUTH_KEYCLOAK_CLIENT_ID
          value: dial-chat
        - name: AUTH_KEYCLOAK_HOST
          value: https://dial-keycloak.mydomain.com/realms/dial
        - name: AUTH_KEYCLOAK_NAME
          value: dial
        - name: AUTH_KEYCLOAK_SECRET
          value: keycloak_client_secret
        - name: DIAL_API_HOST
          value: http://dial-core.dial.svc.cluster.local
        - name: NEXTAUTH_URL
          value: https://dial-chat.mydomain.com
        - name: THEMES_CONFIG_HOST
          value: https://dial-themes.mydomain.com

In lauching logs I see:

⚠ Invalid next.config.js options detected:
⚠     The value at .basePath must be a string but it was an object.
⚠ See more info here: https://nextjs.org/docs/messages/invalid-next-config
 ▲ Next.js 13.5.4
 - Local:        http://localhost:3000

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