diff --git a/.env.example b/.env.example
index 369e111..67aea3d 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,4 @@
 SECRET_TOKEN=my-secret-token
 FRONTEND_DEV_URL=https://dev.slicktelemetry.com
+FRONTEND_STAGING_URL=https://staging.slicktelemetry.com
+FRONTEND_PROD_URL=https://slicktelemetry.com
diff --git a/app/__init__.py b/app/__init__.py
index 1eb356a..e6c7550 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -16,7 +16,13 @@
 # Ergast configuration
 ergast = Ergast(result_type="raw", auto_cast=True)
 # Cors Middleware
-origins = ["http://localhost:3000", "http://127.0.0.1:3000", config["FRONTEND_DEV_URL"]]
+origins = [
+    "http://localhost:3000",
+    "http://127.0.0.1:3000",
+    config["FRONTEND_DEV_URL"],
+    config["FRONTEND_STAGING_URL"],
+    config["FRONTEND_PROD_URL"],
+]
 # Others
 favicon_path = "favicon.ico"
 # Security