add comments

Author: dieharders

README.md

@@ -148,6 +148,16 @@ And the raw executable here:
 
 - `<project-dir>\src-tauri\target\release`
 
+## Issue's ?
+
+- "Failed to fetch" error: In `src/backends/main.py` CORS expects your UI is running on localhost:3000. If not, add your url to the `origins = []` array or set:
+
+```python
+app.add_middleware(
+  allow_origins="*" # whitelist everything
+)
+```
+
 ## Todo's
 
 - Pass parameters to the sidecar (like server port) via a frontend form.

src/backends/main.py

@@ -21,11 +21,11 @@
 # Configure CORS settings
 origins = [
     "http://localhost:3000",
-    # "https://your-web-app.com",
+    # "https://your-web-ui.com",
 ]
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=origins,
+    allow_origins=origins,  # or use "*" to whitelist any url
     # allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],