参考URL
https://qiita.com/enurinri/items/dece9d9020bf93315046
https://www.youtube.com/watch?v=FbnneJ17TA0
https://www.topgate.co.jp/google-cloud-security-application
https://cloud.google.com/free/docs/aws-azure-gcp-service-comparison
https://qiita.com/leomaro7/items/604db3c021233ac2eaf0
https://qiita.com/enurinri/items/dece9d9020bf93315046
https://qiita.com/Catetin0310/items/74249f333d9fbfccd543