feat(try): docker registration fix

surfsense_web/lib/env-config.ts

@@ -0,0 +1,28 @@
+/**
+ * Environment configuration for the frontend.
+ * 
+ * This file centralizes access to NEXT_PUBLIC_* environment variables.
+ * For Docker deployments, these placeholders are replaced at container startup
+ * via sed in the entrypoint script.
+ * 
+ * IMPORTANT: Do not use template literals or complex expressions with these values
+ * as it may prevent the sed replacement from working correctly.
+ */
+
+// Auth type: "LOCAL" for email/password, "GOOGLE" for OAuth
+// Placeholder: __NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE__
+export const AUTH_TYPE = process.env.NEXT_PUBLIC_FASTAPI_BACKEND_AUTH_TYPE || "GOOGLE";
+
+// Backend API URL
+// Placeholder: __NEXT_PUBLIC_FASTAPI_BACKEND_URL__
+export const BACKEND_URL = process.env.NEXT_PUBLIC_FASTAPI_BACKEND_URL || "http://localhost:8000";
+
+// ETL Service: "DOCLING" or "UNSTRUCTURED"
+// Placeholder: __NEXT_PUBLIC_ETL_SERVICE__
+export const ETL_SERVICE = process.env.NEXT_PUBLIC_ETL_SERVICE || "DOCLING";
+
+// Helper to check if local auth is enabled
+export const isLocalAuth = () => AUTH_TYPE === "LOCAL";
+
+// Helper to check if Google auth is enabled  
+export const isGoogleAuth = () => AUTH_TYPE === "GOOGLE";