regroup backend and frontend in app folder

app/nginx.conf

@@ -0,0 +1,26 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    server {
+        listen 80;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        location /api/ {
+            proxy_pass http://127.0.0.1:8080;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_http_version 1.1;
+        }
+
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
+    }
+}