r/jenkinsci

When a CI pipeline fails and multiple causes are possible, what evidence do you check first, and how do you choose between rerunning, reading more logs, comparing the last successful build, or investigating the recent diff, or checking the version compatibility with infra.

Currently i am starting working in the jenkins i am facing this sutation. In my orginization they said me to work on locally so i have install the jenkins using docker and after that I need to run my code (nextjs) in jenkins as a pipeline. Now there is no github repo which it will fetch so my code is in local so how i need to fetch that code in pipeline and how i need to use that code. please help me.