proxy_temp_path /var/cache/nginx/temp; proxy_cache_path /var/cache/nginx/cache levels=1:2 keys_zone=global:60m inactive=15m max_size=1G; proxy_cache_valid 200 302 10m; proxy_cache_valid 301 1h; proxy_cache_valid 404 3m; proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;