A Guide to CI/CD Costs Optimization

This tutorial offers strategies to optimize CI/CD workflows in Semaphore, focusing on reducing resource consumption and improving workflow speed. Techniques such as dependency caching, fail-fast strategies, auto-cancel policies, and conditional job execution are highlighted to enhance feedback loops and project performance. Dependency caching reduces build times by avoiding unnecessary installations when dependencies have not changed, while fail-fast strategies conserve resources by halting workflow execution upon job failure. Auto-cancel policies prevent redundant builds by canceling queued jobs when new commits occur on the same branch. Conditional job execution ensures that jobs run only when relevant code changes are detected, further optimizing resource use. These strategies, though demonstrated in Semaphore, can be adapted to other CI/CD platforms for improved efficiency and cost-effectiveness.