Here’s how to create a key for the GCP Service Account.

Create Key.

<pre lang="bash">gcloud iam service-accounts keys create ~/key.json \
  --iam-account service-name@project-id.iam.gserviceaccount.com

Activate Key

<pre lang="bash">
gcloud auth activate-service-account service-name@project-id.iam.gserviceaccount.com \
--key-file=key.json

Revoke Key.

<pre lang="bash">gcloud auth revoke service-account@project-id.iam.gserviceaccount.com

Delete Key

<pre lang="bash">gcloud iam service-accounts keys delete key-id \
    --iam-account service-name@project-id.iam.gserviceaccount.com