IntroductionWhat is CI/CD?Breaking ChangesCI/CD Tools and Solutions

  • CI/CD is crucial for any reproducibility and testing
  • Take advantage of automation to reduce your workload

Exit CodesStart by ExitingPrinting Exit CodesSetting Exit CodesIgnoring Exit Codes

  • Exit codes are used to identify if a command or script executed with errors or not
  • Not everyone respects exit codes

Understanding Yet Another Markup LanguageYAMLWhat CI/CD tools use YAML

  • YAML is a plain-text format, similar to JSON, useful for configuration
  • YAML is used in many CI/CD tools and solutions

YAML and GitHub ActionsGitHub Actions YAML

  • You should bookmark the GitHub Actions reference. You’ll visit that page often.
  • Actions are standalone commands that are combined into steps to create a job.
  • Workflows are made up of one or more jobs and can be scheduled or triggered.

Hello CI World

  • Creating .github/workflows/main.yml is the first step to CI/CD.
  • Pipelines are made of jobs with steps.

CI for Python PackageSetup Python projectSetup CI

  • GitHub has a Marketplace of reusable Actions
  • CI can help automated running tests for code changes to your Python package

MatrixMultiple version Python testing - Naive ApproachMatrix

  • Matrix can help DRY your CI for multi-version and cross-platform testing
  • Using matrix allows to test the code against a combination of versions.

CD for Python PackageSetup CD for ReleasesWrap up

  • GitHub Actions can also help you deploy your package to a registry for distribution.

Badge for CI/CDBadgesBadges

  • Badges are fun!

(Bonus) Discuss CI/CD for DocumentationDocumentation artifacts

  • Documentation and website artifacts are different than package artifacts

(Bonus) Quick primer on ContainersContainersDockerDockerHubOverall Docker Architecture

  • Containers are a very common packaging artifact for web-based applications

(Bonus) Implementing CI/CD for documentation using containersSetup CI for documentationGitHub Container Image RegistrySetup CD for documentationSide note about our “CD”Wrap up

  • GitHub provides resources to publish container images