Nginx caching proxy config for Discover Regenerative API

discover-api.conf

proxy_cache_path /data/nginx/cache keys_zone=STATIC:500m;

server {
   listen 443 ssl http2;
   listen [::]:443 ssl http2;
   server_name discover.openfoodnetwork.org.au api.regenerative.org.au;
   root /home/openfoodnetwork/apps/discover/current/public;
    ssl_certificate /etc/letsencrypt/live/api.regenerative.org.au/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/api.regenerative.org.au/privkey.pem; # managed by Certbot
   
   ssl_protocols TLSv1.2;
   ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA;
   ssl_prefer_server_ciphers on;
   
   add_header Access-Control-Allow-Credentials 'true';
   add_header 'Access-Control-Allow-Headers' 'Origin, X-Requested-With, Content-Type, Accept, sessionid, cache-control';
   add_header 'Access-Control-Allow-Origin' $http_origin;
   #add_header 'Access-Control-Allow-Origin' 'https://regenerative.org.au';
   
   gzip on;
   gzip_types text/css text/javascript text/plain application/javascript application/x-javascript application/json;
   gzip_disable "msie6";
   
   location /webhook/ {
     if ($request_method = 'OPTIONS') {
       return 204;
     }
     proxy_pass https://n8n.openfoodnetwork.org.uk/webhook/;
     proxy_buffering        on;
     proxy_cache            STATIC;
     proxy_cache_valid      200  8h;     
     proxy_cache_use_stale  error timeout invalid_header updating http_500 http_502 http_503 http_504;
     proxy_cache_background_update on;
     proxy_cache_lock on;
     proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment;

     # Don't use and cache upstream CORS headers:
     proxy_hide_header 'Access-Control-Allow-Credentials';
     proxy_hide_header 'Access-Control-Allow-Headers';
     proxy_hide_header 'Access-Control-Allow-Methods';
     proxy_hide_header 'Access-Control-Allow-Origin';

     # Replace URLs in JSON data:
     proxy_set_header Accept-Encoding "";
     sub_filter_types application/json;
     #sub_filter 'github.com' 'api.regenerative.org.au';
     sub_filter 'n8n.openfoodnetwork.org.uk' 'api.regenerative.org.au';
     sub_filter 'discover.openfoodnetwork' 'api.regenerative';
     sub_filter_once off;
   }
}