only enable corsmiddleware when in dev mode and allow all origins

pkgs/clan-cli/clan_cli/webui/app.py

@@ -1,4 +1,6 @@
 import logging
+import os
+from enum import Enum
 
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
@@ -11,22 +13,43 @@ from .error_handlers import clan_error_handler
 from .routers import clan_modules, flake, health, machines, root, vms
 from .tags import tags_metadata
 
-origins = [
-    "http://localhost:3000",
-]
 # Logging setup
 log = logging.getLogger(__name__)
 
 
+class EnvType(Enum):
+    production = "production"
+    development = "development"
+
+    @staticmethod
+    def from_environment() -> "EnvType":
+        t = os.environ.get("CLAN_WEBUI_ENV", "production")
+        try:
+            return EnvType[t]
+        except KeyError:
+            log.warning(f"Invalid environment type: {t}, fallback to production")
+            return EnvType.production
+
+    def is_production(self) -> bool:
+        return self == EnvType.production
+
+    def is_development(self) -> bool:
+        return self == EnvType.development
+
+
 def setup_app() -> FastAPI:
+    env = EnvType.from_environment()
     app = FastAPI()
-    app.add_middleware(
+
-        CORSMiddleware,
+    if env.is_development():
-        allow_origins=origins,
+        # Allow CORS in development mode for nextjs dev server
-        allow_credentials=True,
+        app.add_middleware(
-        allow_methods=["*"],
+            CORSMiddleware,
-        allow_headers=["*"],
+            allow_origins=["*"],
-    )
+            allow_credentials=True,
+            allow_methods=["*"],
+            allow_headers=["*"],
+        )
     app.include_router(clan_modules.router)
     app.include_router(flake.router)
     app.include_router(health.router)

pkgs/clan-cli/clan_cli/webui/server.py

@@ -1,5 +1,6 @@
 import argparse
 import logging
+import os
 import shutil
 import subprocess
 import time
@@ -76,6 +77,8 @@ def spawn_node_dev_server(host: IPvAnyAddress, port: int) -> Iterator[None]:
 
 
 def start_server(args: argparse.Namespace) -> None:
+    os.environ["CLAN_WEBUI_ENV"] = "development" if args.dev else "production"
+
     with ExitStack() as stack:
         headers: list[tuple[str, str]] = []
         if args.dev:
@@ -85,20 +88,6 @@ def start_server(args: argparse.Namespace) -> None:
             host = args.dev_host
             if ":" in host:
                 host = f"[{host}]"
-            headers = [
-                # (
-                #     "Access-Control-Allow-Origin",
-                #     f"http://{host}:{args.dev_port}",
-                # ),
-                # (
-                #     "Access-Control-Allow-Methods",
-                #     "DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT"
-                # ),
-                # (
-                #     "Allow",
-                #     "DELETE, GET, HEAD, OPTIONS, PATCH, POST, PUT"
-                # )
-            ]
         else:
             base_url = f"http://{args.host}:{args.port}"