Cloudformation Nested Stacks
- Reusability of existing templates can be acheived by nested stacks Refer Here
- Refer Here for nesting an existing stack
- Create a template with nested stack. Refer Here for the changes
- Refer Here for the example with nested stack with parameters
- Refer Here helps you in applying infrachanges across different regions and accounts.
Deploying cloudformation from cli
- Refer Here for the sample cmdline