gistfile1.txt

proxy_cache_path /var/cache/nginx/npm_cache levels=1:2 keys_zone=npm_cache:10m;

upstream npm_registry {
  server registry.npmjs.org:443;
}

server {
    listen 80;

    server_name blblabla;
    
    proxy_set_header Host registry.npmjs.org;
    
    location / {
        proxy_ignore_headers Cache-Control;
        proxy_cache npm_cache;
        proxy_cache_valid 5m;
        add_header X-Cache $upstream_cache_status;

        proxy_pass https://npm_registry;
    }
}