add the proxy arguments

conf.d/bookstack.tryton.geeraert.eu.conf

@@ -7,6 +7,14 @@ server {
 	server_name bookstack.tryton.geeraert.eu www.bookstack.tryton.geeraert.eu;
         location / {
 		proxy_pass http://bookstack_backend;
+                location ~* \.(html|css|jpg|gif|ico|js)$ {
+                        proxy_cache          cache;
+                        proxy_cache_key      $host$uri$is_args$args;
+                        proxy_cache_valid    200 301 302 30m;
+                        expires              30m;
+                        proxy_pass  http://bookstack_backend;
+                 }
+
         }
         location /.well-known/acme-challenge/ {
 		root /var/www/certbot;

template/https.conf

@@ -7,6 +7,14 @@ server {
 	server_name example.tryton.geeraert.eu www.example.tryton.geeraert.eu;
         location / {
 		proxy_pass http://example_backend;
+                location ~* \.(html|css|jpg|gif|ico|js)$ {
+                        proxy_cache          cache;
+                        proxy_cache_key      $host$uri$is_args$args;
+                        proxy_cache_valid    200 301 302 30m;
+                        expires              30m;
+                        proxy_pass  http://nextcloud_backend;
+                 }
+
         }
         location /.well-known/acme-challenge/ {
 		root /var/www/certbot;
@@ -15,9 +23,6 @@ server {
         listen 443 ssl; # managed by Certbot
         ssl_certificate /etc/nginx/ssl/live/tryton.geeraert.eu/fullchain.pem;
         ssl_certificate_key /etc/nginx/ssl/live/tryton.geeraert.eu/privkey.pem;
-        #include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
-        #ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
-
 
 
 }