https://varnish-cache.org/varnish - external storage 1 2015CDN 導入時のキャッシュ設定の考え方 - Qiita 2021 バージョン 7.1https://varnish-cache.org/releases/rel7.1.0.html#rel7-1-0https://www.varnish-software.com/developers/tutorials/varnish…