fixing nginx 404 on refresh

nginx.conf

@@ -0,0 +1,30 @@
+worker_processes 1;
+events {
+    worker_connections 1024;
+}
+
+http {
+  include       mime.types;
+  default_type  application/octet-stream;
+  sendfile        on;
+  keepalive_timeout  65;
+
+  server {
+    listen       80;
+    server_name  _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # If the file or folder doesn’t exist, fall back to index.html
+    location / {
+      try_files $uri $uri/ /index.html;
+    }
+
+    # (Optional) Static asset caching
+    location ~* \.(?:css|js|svg|png|jpg|jpeg|gif|ico)$ {
+      expires 30d;
+      add_header Cache-Control "public, max-age=2592000";
+    }
+  }
+}