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Dagger

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Containerization CI CD Developer Tool Containers Buildkit Pipelines

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description Dagger Overview

Dagger is an open-source platform enabling developers to build and test applications using containers alongside native code, streamlining workflows by integrating directly with existing development tools and environments.

help Dagger FAQ

Which programming languages can I use to write Dagger pipelines?

Dagger currently provides official SDKs for Go, Python, and Node.js. This allows developers to write their CI/CD pipelines as standard code in their preferred language rather than dealing with complex YAML configurations.

Does Dagger require Docker or Podman to build containers?

Yes, the Dagger Engine requires an OCI-compliant container runtime to execute its operations. It seamlessly supports both Docker and Podman as the underlying runtime to build, cache, and run containers locally or in CI environments.

How does the Dagger engine cache dependencies and build steps?

Dagger uses a custom caching engine based on BuildKit to execute pipelines as a Directed Acyclic Graph (DAG). This approach provides aggressive layer caching, allowing concurrent steps to run in parallel and skipping steps where inputs haven't changed.

Can I use Dagger to replace my GitHub Actions or GitLab CI workflows?

You can execute your Dagger pipelines directly inside standard CI runners provided by GitHub Actions or GitLab CI. This allows you to run the exact same pipeline code locally on your machine and remotely in the cloud without modifying the core logic.

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