nginx snippet for proxying production assets from a local (or other) environment

proxy-production-images-nginx.conf

    location ~* \.(png|jpe?g|gif|ico)$ {
        expires 24h;
        log_not_found off;
        try_files $uri $uri/ @production;
    }

    location @production {
        resolver 8.8.8.8;
        proxy_pass https://example.com/$uri;
    }