Refactor code structure for improved readability and maintainability

docker_support/default.conf

@@ -0,0 +1,12 @@
+server {
+    listen 80;
+    server_name localhost;
+    root   /usr/share/nginx/html;
+
+    location / {
+        index  index.html index.htm;
+        try_files $uri $uri/ /index.html;
+
+        add_header Cache-Control "private, no-store, no-cache, must-revalidate, proxy-revalidate";
+    }
+}