diff --git a/application/config/routes.php b/application/config/routes.php
index 15ab0ef5..8ae23423 100644
--- a/application/config/routes.php
+++ b/application/config/routes.php
@@ -82,21 +82,21 @@ header('X-Frame-Options: SAMEORIGIN');
 |
 */
 
+header('Access-Control-Allow-Origin: *'); // NOTICE: Change this header to restrict CORS access.
+
+if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
+{
+    // May also be using PUT, PATCH, HEAD etc
+    header('Access-Control-Allow-Methods: GET, POST, PUT, PATCH, DELETE, OPTIONS, HEAD');
+}
+
+if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
+{
+    header('Access-Control-Allow-Headers: ' . $_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
+}
+
 if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'OPTIONS')
 {
-    header('Access-Control-Allow-Origin: *');
-
-    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
-    {
-        // May also be using PUT, PATCH, HEAD etc
-        header('Access-Control-Allow-Methods: GET, POST, PUT, PATCH, DELETE, OPTIONS');
-    }
-
-    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
-    {
-        header('Access-Control-Allow-Headers: ' . $_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
-    }
-
     exit(0);
 }
 
diff --git a/docker-compose.yml b/docker-compose.yml
index dfaf1bdc..2286c1f8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -42,3 +42,13 @@ services:
     ports:
       - '8025:8025'
       - '1025:1025'
+        
+  swagger-ui:
+    platform: linux/amd64
+    image: swaggerapi/swagger-ui
+    ports:
+      - "8000:8080"
+    volumes:
+      - ./openapi.yml:/usr/share/nginx/html/openapi.yml
+    environment:
+      API_URL: openapi.yml
diff --git a/openapi.yml b/openapi.yml
index b48667e2..330ef8a3 100644
--- a/openapi.yml
+++ b/openapi.yml
@@ -16,6 +16,7 @@ externalDocs:
   url: https://easyappointments.org/docs.html
 servers:
   - url: https://demo.easyappointments.org/index.php/api/v1/
+  - url: http://localhost/index.php/api/v1/
 tags:
   - name: admins
   - name: appointments