$ gcloud functions deploy Messages --runtime go113 --trigger-http --allow-unauthenticated
$ curl -X GET https://us-central1-glossom-bulletin-board-sample.cloudfunctions.net/Messages
[{"name":"ヤンマガ読者","text":"漫画は面白いです。","timestamp":"2021-03-24 21:00:00"},{"name":"Glossom社員","text":"そうですね。","timestamp":"2021-03-24 21:00:01"}]
$ curl -X POST \
-d "name=ヤンマガチーム" -d "text=これからも楽しみにしていてくださいね。" \
-w '%{http_code}' \
https://us-central1-glossom-bulletin-board-sample.cloudfunctions.net/Messages
201
$ curl -X PUT -w '%{http_code}' https://us-central1-glossom-bulletin-board-sample.cloudfunctions.net/Messages
405
$ gcloud functions describe Message