proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_redirect     off;
proxy_max_temp_file_size 0;
proxy_connect_timeout      90;
proxy_send_timeout         90;
proxy_read_timeout         90;
proxy_buffering            on;
proxy_buffer_size          4k;
proxy_buffers              4 32k;
proxy_busy_buffers_size    64k;
proxy_temp_file_write_size 256k;

proxy_cache_path /var/cache/nginx levels=1:2 use_temp_path=on keys_zone=CACHE:20m max_size=20000m inactive=20m;

proxy_temp_path  /var/cache/nginx/tmp;

#proxy_cache_key "$scheme$host$request_uri";
proxy_cache_key "$host$request_uri$cookie_user";
proxy_no_cache $http_pragma $http_authorization;

proxy_cache_methods GET HEAD POST;

proxy_cache_min_uses 10;

proxy_cache_valid 200 302 10m;
proxy_cache_valid 404 1m;
#proxy_cache_valid any 5m;

proxy_cache CACHE;

proxy_cache_background_update on;
reset_timedout_connection on;