chore: only show base url warning once

packages/better-auth/src/context/create-context.ts

@@ -104,10 +104,16 @@ export async function createAuthContext(
 	const logger = createLogger(options.logger);
 	const baseURL = getBaseURL(options.baseURL, options.basePath);
 
-	if (!baseURL && !options.advanced?.trustedProxyHeaders) {
+	let showBaseURLWarning = false;
+	if (
+		!baseURL &&
+		!options.advanced?.trustedProxyHeaders &&
+		!showBaseURLWarning
+	) {
 		logger.error(
 			`[better-auth] Base URL could not be determined. Please set a valid base URL using the baseURL config option or the BETTER_AUTH_BASE_URL environment variable. Without this, callbacks and redirects may not work correctly.`,
 		);
+		showBaseURLWarning = true;
 	}
 
 	const secret =