setup new provider endpoint creation

auth/oauth.go

@@ -18,6 +18,7 @@ type OAuthProvider struct {
 }
 
 var Providers []OAuthProvider
+var DefaultProvider *OAuthProvider // Assumed to be the last created provider
 
 func CreateOAuthProvider(issuer string, clientID string) error {
 	ctx := context.Background()
@@ -42,5 +43,6 @@ func CreateOAuthProvider(issuer string, clientID string) error {
 		Config:   OAuthConfig,
 	}
 	Providers = append(Providers, newProvider)
+	DefaultProvider = &newProvider
 	return nil
 }