Container based CI/CD on GitHub Actions
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GitHub Actions are workflows that are triggered by events, comprising a sequence of actions which run in containers with the ability to use environment variables and secrets. They support both curated community actions and official GitHub actions, allowing developers to think globally while acting locally in their workflow development. Resources for further exploration include demos and blogs on creating and using GitHub Actions.
Container based CI/CD on GitHub Actions
- 2. Casey Lee Director of Engineering
- 3. What are GitHub Actions?
- 6. ● Workflows are initiated by events ● Resolve a set of actions
- 7. ● Actions run a container ● Can depend on other actions ● Can have env variables and secrets
- 8. How is this different? 100% containers!
- 9. https://developer.github.com/actions/creating-workflows/workflow-configuration-options/#using-a-dockerfile-image-in-an-action More than just prebuilt images:
- 11. Docker repo URL
- 12. Local directory
- 14. GitHub slug
- 17. How do you develop actions?
- 18. Think globally, act locally! nektos/act
- 21. QUESTIONS?
- 22. cplee/github-actions-demo - Sample app to demo GitHub actions nektos/act - Tool to run GitHub actions locally actions - “Official” GitHub actions sdras/actions - Community curated actions The Life of a GitHub Action - Blog by Jessie Frazelle on GitHub Actions Resources
Editor's Notes
- #9: Not “revolutionary”, but intrigued by simplicity No opportunity to write crappy script
- #14: Quick dev of local actions
- #16: No need for CI process for the GH actions to manage a docker image
- #18: problem...commit/push for each change
- #19: problem...commit/push for each change
- #21: open https://github.com/cplee/github-actions-demo.git git clone https://github.com/cplee/github-actions-demo.git act -l # Update dependency (test -> lint) act -n act # discuss output (env variables and filesystem) # discuss how it works (series of containers managed by docker SDK, passing env and binding volumes)