How to deploy a stack from a template
Portainer allows you to deploy an entire stack from a template from the template list which includes default and custom templates. Also see creating a template from a Stack.
Deploying an Stack
To deploy a stack, go to App Templates and choose the template you want to deploy. In this example, I will deploy a CockroachDB cluster.
Set a name, define access control (if enabled with the toogle) and click Deploy the Stack
You will see an animation in the button while the stack is deploying:
If everything work as expected, you will see your new stack deployed.
Click the name of your stack to see the details of the deployment: