codespace fix

Author: fmell

backend/src/acidwatch_api/app.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+import os
+
 import fastapi
 from azure.monitor.opentelemetry import configure_azure_monitor
 from fastapi.middleware.cors import CORSMiddleware
@@ -39,16 +41,19 @@
     "https://acidwatch.radix.equinor.com",
 ]
 
-# Allow GitHub Codespaces forwarded URLs (e.g. https://<name>-5173.app.github.dev)
-codespaces_origin_regex = r"https://[a-z0-9-]+-\d+\.app\.github\.dev"
+# Allow CORS for GitHub Codespaces if running in that environment
+if codespace_name := os.environ.get("CODESPACE_NAME"):
+    domain = os.environ.get(
+        "GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN", "app.github.dev"
+    )
+    origins.append(f"https://{codespace_name}-5173.{domain}")
 
 
 fastapi_app.include_router(router)
 
 app = CORSMiddleware(
     fastapi_app,
     allow_origins=origins,
-    allow_origin_regex=codespaces_origin_regex,
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],