google app engine - How to pass environment variables to the app.yaml using cloud build

Question

The final step of my CI/CD is the deployment using gcloud app deploy, but I can't commit the app.yaml with my environment variables, so how to deploy using cloud build passing the env variables do the app.yaml?

Here is my cloudbuild.yaml

steps:
- name: "gcr.io/cloud-builders/gcloud"
  args: ["app", "deploy"]
timeout: "1800s"

Answer 1

Waitting for answers