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Please see the documentation Create a Heat Stack (https://stfc-cloud-docs.readthedocs.io/en/latest/howto/CreateAHeatStack.html Create a Heat stack) for an introduction to creating a stack using a HOT template.
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Similar to installing a LAMP stack, you create a template that will execute a bash script to install LEMP on a server. The bash script below can be used in conjuction with the templates on the Create a LAMP stack docs at https://stfc-cloud-docs.readthedocs.io/en/latest/Heat/CreateALAMPStack.htmlatlassian.net/wiki/spaces/CLOUDKB/pages/211845365/Heat#Creating-a-LAMP-Stack.
Bash Script
A bash script can be added to a stack template so that when a virtual machine is built, it will automatically set up the VM with the components for a LEMP stack. This script also shows how to automate mysql_secure_installation as well.
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