WEBUI_URL=https://openwebui.example.com ENABLE_OAUTH_SIGNUP=true OAUTH_PROVIDER_NAME=Corporate SSO OAUTH_CLIENT_ID=open-webui OAUTH_CLIENT_SECRET= OPENID_PROVIDER_URL=https://idp.example.com/.well-known/openid-configuration OPENID_REDIRECT_URI=https://openwebui.example.com/oauth/oidc/callback OAUTH_SCOPES=openid email profile OAUTH_ALLOWED_DOMAINS=example.com