Migrating from Jenkins to GitHub Actions/GitLab CI simplifies setup, offers native integration with code repositories, and provides cost efficiency.
The migration process involves auditing Jenkins pipelines, converting jobs to YAML format, replacing Jenkins plugins with GitHub Actions/GitLab CI equivalents, migrating secrets and variables, testing and iterating on new workflows, and eventually decommissioning Jenkins.
Common pitfalls in migration include slow pipelines, permission errors, and legacy scripts breaking, with corresponding fixes provided for each issue.
A post-migration checklist includes updating documentation, training teams on new CI/CD syntax, and setting up monitoring tools, emphasizing the benefits of embracing the modern CI/CD era for improved efficiency and scalability.