GitLab team member here.

I'd recommend starting with one of the workshops listed here [0] and maybe dive into more learning resources and the documentation.

Our community platforms, such as the forum [2] and Stack Overflow, etc. [3] are also a great place to ask questions and collaborate on challenges.

[0] https://about.gitlab.com/handbook/marketing/community-relati...

[1] https://about.gitlab.com/learn/

[2] https://forum.gitlab.com/

[3] https://about.gitlab.com/community/