https://cloud.google.com/datastore/docs/tools/datastore-emulator
Install datastore emulator.
$ gcloud components install cloud-datastore-emulator
Run datastore emulator.
$ gcloud beta emulators datastore start
Set environment variables.
$ $(gcloud beta emulators datastore env-init)
$ make auth-gcp
$ GCP_PROJECT=<project-id> go run main.go
Masahiro Furudate (a.k.a. 178inaba)
178inaba.git@gmail.com