proxy_cache_path  /var/cache/nginx levels=1:2 keys_zone=my-cache:8m max_size=1000m inactive=600m;
proxy_temp_path /var/cache/nginx/tmp;

server {
    listen       8002;

    location / {
        proxy_pass http://localhost:8000;
        proxy_cache my-cache;
        proxy_cache_revalidate on;
    }
}