You may encounter this error Error: No changes to deploy. Stack is up to date while deploying the SAM/Cloud formation templates.

Error: No changes to deploy. Stack is up to date:

This is because your current build does not have any changes, but you are trying to re-deploy the stack. Yes, sometimes (Having multiple workflows in a single application) it still valid to deploy. But by default, the cloud-formation/SAM rejects the build since it doesn’t have any changes.

Fix No changes to Deploy:

We can fix it bypassing the --no-fail-on-empty-changeset parameter to the build command like below.

Cloudformation build:

aws cloudformation deploy --template-file cloud-formation.yml 
--stack-name abc
--no-fail-on-empty-changeset

SAM build:

sam deploy \
  --stack-name "sample-app" \
  --no-fail-on-empty-changeset

References:

Happy Learning 🙂

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