Add full project files

scripts/nginx/modstagram.com.conf

@@ -0,0 +1,23 @@
+# فرانت — modstagram.com → Next.js port 3001
+# مسیر: /etc/nginx/sites-available/modstagram.com
+
+server {
+    listen 80;
+    server_name modstagram.com www.modstagram.com;
+
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    location / {
+        proxy_pass http://127.0.0.1:3001;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        # Cloudflare Flexible: origin sees HTTP but users use HTTPS — force proto for Next.js assets
+        proxy_set_header X-Forwarded-Proto https;
+    }
+}