ci: optimize GitHub Actions to reduce costs (~$18-20/mo savings)#62
Merged
SomethingNew71 merged 1 commit intomainfrom Apr 13, 2026
Merged
ci: optimize GitHub Actions to reduce costs (~$18-20/mo savings)#62SomethingNew71 merged 1 commit intomainfrom
SomethingNew71 merged 1 commit intomainfrom
Conversation
- Remove cross-platform (macOS/Windows) matrix from CI test and build jobs - Keep tests/lint/docs running on ubuntu-only (release.yml still builds all platforms) - Remove redundant build job entirely from CI (release workflow handles real builds) - Add concurrency group to cancel superseded runs - Remove duplicate cargo registry cache (rust-cache already handles this) - Removes push trigger on master (only main needed) Estimated monthly savings: ~$18-20 (eliminates 10x-cost macOS and 2x-cost Windows CI runners) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
testandbuildjobs — these now run on Ubuntu onlybuildjob from CI (therelease.ymlworkflow already handles cross-platform release builds when you tag)concurrencygroup withcancel-in-progressto prevent piling up redundant runsmasterbranch (onlymainis used)Why this matters
macOS runners cost 10x Linux, Windows costs 2x. Running test+build on all 3 platforms for every push/PR was the #1 cost driver at $22.14/mo. The release workflow still builds all platforms when you push a tag.
What's preserved
release.ymlSwatinem/rust-cachestill activeEstimated savings
~$18-20/month (from $22.14 down to ~$2-4)
Test plan
release.ymlstill works on next tag push🤖 Generated with Claude Code