Hello!
Congratz for this amazing tool! 
Really enjoying!
Well, there is a good function on GITLAB that I use is a company-wide Environment Variables. Maybe I’m doing something wrong here, but, all my services share several variables for my CI/CD routines and I have to copy&paste all of them on each service.
Another good thing on Gitlab is restrictions, some users can’t see these variables. So secure them will be good too.
Thank you,
Rodrigo
Heya mate, if you are using the elastic-ci-stack-for-aws, you could take a look at the bootstrap.sh, in which you could do arbitrary things on the agent, including inserting global envvars.
Hey Rodrigo and welcome!
As an extension to what @xiaket suggested, you could use the Environment hook on the agent for just this kind of thing https://buildkite.com/docs/agent/v3/hooks
hmm! Thank you mates! 
I got it. Sorry for not reading the entire docs… =/
I will implement an Environment hook on my agents then.