GitLab CI - Best Practices Optimize GitLab CI/CD pipelines for performance, reliability, and maintainability. Pipeline Optimization Use DAG with Needs Parallel Execution Interruptible Jobs Configuration Organization Split Configuration Files Reusable Templates Extends Keyword Resource Management Resource Groups Runner Tags Error Handling Retry Configuration Allow Failure Security Best Practices Protected Pipelines Secure Variables Monitoring & Debugging Job Logging Pipeline Badges Common Anti-Patterns 1. Avoid : Running all jobs in sequence Do : Use for parallel execution 2. Avoid : Downloadi…