aws-samples
Prevent failure when no changes to stack
Issue Number: #10
Description of Changes:
As suggested in the issue noted above, sam deploy provides an extra arg called --no-fail-on-empty-changeset which stops it returning a non-zero exit code when there is nothing to do. This PR adds this argument in to the template/example here which would resolve the issue.
See also the SAM CLI documentation: https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/sam-cli-command-reference-sam-deploy.html
Not a complicated change (surprised someone else hadn't already submitted a PR?). I've done a run-through locally and the arguments all seem to interact with each other OK.
In my mind, this seems like a sensible parameter to include here as we are dealing with CI/CD, not guided deployments.
(Note that we could potentially also add in --no-confirm-changeset which I've used before in my projects as well.)
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