Migrate Bitbucket Pipelines to GitHub Actions
To migrate Bitbucket Pipelines to GitHub Actions, treat each Bitbucket step as a GitHub job, not a GitHub step: a Bitbucket step starts its own Docker container, so the files it shares travel as artifacts, exactly as between GitHub jobs. Then map caches to actions/cache , services to services: with mapped ports, deployment to environment: plus concurrency: , each pipe to an action or a CLI call,…
To move Bitbucket Pipelines to GitHub Actions, treat each Bitbucket step as a separate GitHub job. Bitbucket steps start their own Docker containers, so files they share must be treated as artifacts like between GitHub jobs. Cache configurations need to be mapped to actions/cache, and services should be defined under services:. The file structure should resemble a GitHub workflow with different key names.
The unit of isolation differs between Bitbucket, where each step gets a fresh container with a fresh clone, and GitHub, where a job keeps one workspace across all its steps. Mapping these differences correctly is crucial to ensure the file follows the intended layout. The concept map outlines the key differences between Bitbucket Pipelines and GitHub Actions, along with a checklist of items to gather before starting the migration.
The migration process involves renaming Bitbucket steps to GitHub jobs, mapping caches, services, and artifacts, and adjusting concurrency controls. The size of the build can be specified using a runs-on label. The migration checklist includes collecting labels, secrets, cache keys, matrix configurations, artifact details, concurrency settings, and timeout limits from Bitbucket repository settings and the YAML file.
The example provided demonstrates the migration from a Bitbucket Pipelines configuration to a GitHub Actions workflow, including the use of Docker images, cache dependencies, parallel jobs, services, artifacts, and deployment steps.
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