configure cal proxying

Nginx/Server Blocks/book.libraryofcode.org.conf

@@ -6,19 +6,7 @@ server {
     ssl_certificate /etc/nginx/ssl/org.chain.crt;
     ssl_certificate_key /etc/nginx/ssl/org.key.pem;
 
-    root /opt/book;
-
-    index index.html index.htm index.php;
-
-
-    location ~ \.php$ {
-        include snippets/fastcgi-php.conf;
-        fastcgi_pass unix:/run/php/php7.3-fpm.sock;
-        fastcgi_param HTACCESS on;
-        proxy_read_timeout 800;
-    }
-
-    if (!-e $request_filename){
-      rewrite ^(.*)$ /index.php?/$1 last;
+    location / {
+       proxy_pass http://localhost:3000;
     }
 }