diff --git a/api/ovdashboard_api/main.py b/api/ovdashboard_api/main.py
index 74881b8..477ae0b 100644
--- a/api/ovdashboard_api/main.py
+++ b/api/ovdashboard_api/main.py
@@ -7,6 +7,8 @@ Creates the main `FastAPI` app.
 """
 
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.staticfiles import StaticFiles
 from uvicorn import run as uvicorn_run
 
 from .dav_common import webdav_check
@@ -37,6 +39,30 @@ def main() -> None:
     If the `main` script is run, `uvicorn` is used to run the app.
     """
 
+    if SETTINGS.production_mode:
+        # Mount frontend in production mode
+        app.mount(
+            path="/",
+            app=StaticFiles(
+                directory="/html",
+                html=True,
+            ),
+            name="frontend",
+        )
+
+    else:
+        # Allow CORS in debug mode
+        app.add_middleware(
+            CORSMiddleware,
+            allow_origins=[
+                "*",
+            ],
+            allow_credentials=True,
+            allow_methods=["*"],
+            allow_headers=["*"],
+            expose_headers=["*"],
+        )
+
     if webdav_check():
         uvicorn_run(
             app="ovdashboard_api.main:app",