✨ upgrade terraform files to prevent giutlab webui issues

terraform/nginx_config.tftpl

@@ -10,7 +10,8 @@ upstream ${name_site}_backend {
 server {
         server_name ${name_site}.tryton.geeraert.eu www.${name_site}.tryton.geeraert.eu;
         location / {
-                proxy_pass http://${name_site}_backend;
+                proxy_pass %{ if proxy_pass_https}https%{else}http%{ endif }://${name_site}_backend;
+                proxy_set_header    Upgrade     $http_upgrade;
                 %{ if proxy_cache}
                 location ~* \.(html|css|jpg|gif|ico|js)$ {
 	                proxy_cache          cache;
@@ -25,15 +26,13 @@ server {
                 root /var/www/certbot;
         }
 
-                %{ if extra_value_bool}
-                        ${extra-value}
-                %{ endif }
-
-
-        %{ if http2_bool}
+	%{~ if extra_value_bool ~}
+	${extra-value}
+	%{~ endif ~}
+        %{~ if http2_bool~}
         http2 on;
         ssl_protocols TLSv1.2;
-        %{ endif }
+        %{~ endif ~}
 
         listen 443 ssl;
         ssl_certificate /etc/nginx/ssl/live/tryton.geeraert.eu/fullchain.pem;