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GitLab CI/CD Learning Roadmap

Pipeline-as-code with GitLab, from .gitlab-ci.yml basics to multi-project DAG pipelines.

Estimated time:3–4 weeks

1🌱

Phase 1 — Fundamentals

.gitlab-ci.yml structure

Stages & jobs

Runners (shared vs project-specific)

Variables & CI/CD settings

2🔄

rules vs only/except

Artifacts & caching

Parent-child & multi-project pipelines

DAG pipelines (needs keyword)

3🚀

Environments & deployment tracking

Review apps

Manual approval jobs

GitLab Auto DevOps

4🔐

important

Protected branches & variables

Container/dependency scanning (built-in SAST/DAST)

Self-managed runner fleets on Kubernetes

Merge trains for high-velocity teams

Begin with interview questions to assess your current level.