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docs/src/data/commands/stack/run.mdx

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import { Aside } from '@astrojs/starlight/components';

The stack run * command allows users to execute IaC commands across all units defined in a terragrunt.stack.hcl file. This feature facilitates efficient orchestration of operations on multiple units, simplifying workflows for managing complex infrastructure stacks.

Automatic stack generation

Before executing the specified command, the terragrunt stack run * command will automatically generate the stack by creating the .terragrunt-stack directory using the terragrunt.stack.hcl configuration file. This ensures that all units are up-to-date before running the requested operation.

<Aside type="note"> Refreshing sources and cleaning stale files: If you change or remove units/values and find stale files remain in `.terragrunt-stack`, pass `--source-update` to refresh sources before generation, or clean the directory first:
bash
terragrunt stack run plan --source-update

# or
terragrunt stack clean && terragrunt stack run plan
</Aside>