Bypass nginx cache if user is authenticated Django - django

Question

I'm implementing nginx as a reverse proxy for a Django project. I'm now trying implement nginx's cache config below:
proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=my_cache:5m max_size=1g inactive=60m;
proxy_temp_path /var/cache/nginx/tmp;
server {
...
location / {
proxy_pass http://127.0.0.1:8000;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Host $server_name;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
add_header P3P 'CP="ALL DSP COR PSAa PSDa OUR NOR ONL UNI COM NAV"';
# cache
proxy_cache my_cache;
proxy_cache_min_uses 1;
proxy_cache_valid 200 302 10m;
proxy_cache_valid 404 1m;
proxy_ignore_headers X-Accel-Expires Expires Cache-Control;
proxy_cache_use_stale error timeout invalid_header http_500 http_502 http_503 http_504;
proxy_cache_lock on;
proxy_hide_header "Set-Cookie";
add_header X-Proxy-Cache $upstream_cache_status;
}
}
All works great, however I'd like it so that authenticated users are able to bypass the cache, as otherwise when they update the site content, they won't see the changes, only the cached content until it expires.
What would be the best way to approach this?
Any help would be much appreciated.
Thanks

Answer 1

Add a middleware to set cookie (eg cachedisable) in response if user is autheticated else remove that cookie. So that you can put $cookie_ cachedisable in nginx conf
location / {
proxy_cache_bypass $cookie_cachedisable $arg_nocache;
...
}
Whenever you want bypass cache do requests like
http://www.example.com/?nocache=true #or if cookie `cachedisable` is present
For more info https://www.nginx.com/blog/nginx-caching-guide/?utm_source=nginx-caching-guide&utm_medium=blog#caching-guide-faq-hole-punch