Hi all, What is the detail difference

--replace

parameter and

--target

parameter in

pulumi preview

or

pulumi up

command?

Target only runs the necessary operations on the target. Let's say you have an s3 bucket that has had a code change, and you only want to update the s3 bucket, you'd use Target. Replace will mark a resource for recreation, so delete + recreate

Then if I want to recreate only one of my resources, do I use

--target

parameter not

--replace

parameter? (if the code changed)

If it's already marked for recreation because of code changes, then yes. Otherwise, use Replace

Finally, I understand two parameter's mechanism. Thank you Anthony