How to automatically delete old Google App Engine version instances?

Question

I\'m experimenting with more cost effective ways to deploy my Rails apps, and went through the Ruby Starter Projects to get a feel for Google Cloud Platform.

It\'s al

Answer 1

We deploy an App Engine instance from Cloud Build, which is a common deployment pattern. At the end of the cloudbuild.yaml, we specify the following commands, which deletes every version except the last 5 versions:

versions=$(gcloud app versions list \
  --service default \
  --sort-by '~version' \
  --format 'value(VERSION.ID)' | sed 1,5d)
for version in $versions; do
  gcloud app versions delete "$version" \
    --service default \
    --quiet
done