With Jenkins CI, with help of jenkinsfile, we usually write in python to iterate a yaml , extract, transform and execute accordingly, coming to gitlab CI, within .gitlab-ci.yaml., what is the best way to iterate a yaml file? Using same way to use python ? if theres a better way to iterate from .gitlab-ci.yaml, please share an example.

I have downloaded CPP sourcecode and dependency libraries.

my .gilab-ci.yml file contains this:

I would like to execute test-job2 , only if test-job1 succeeds. how can i configure such that test-job2 gets fired , as soon as test-job1 finishes and with a success.