> For the complete documentation index, see [llms.txt](https://docs.earthly.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.earthly.dev/docs/guides.md).

# Guides

- [Importing](https://docs.earthly.dev/docs/guides/importing.md)
- [Build arguments and variables](https://docs.earthly.dev/docs/guides/build-args.md)
- [Secrets](https://docs.earthly.dev/docs/guides/secrets.md)
- [Functions](https://docs.earthly.dev/docs/guides/functions.md)
- [Using Docker in Earthly](https://docs.earthly.dev/docs/guides/docker-in-earthly.md)
- [Multi-platform builds](https://docs.earthly.dev/docs/guides/multi-platform.md)
- [Authenticating Git and image registries](https://docs.earthly.dev/docs/guides/auth.md)
- [Integration Testing](https://docs.earthly.dev/docs/guides/integration.md)
- [Debugging techniques](https://docs.earthly.dev/docs/guides/debugging.md)
- [Podman](https://docs.earthly.dev/docs/guides/podman.md)
- [Configuring registries](https://docs.earthly.dev/docs/guides/configuring-registries.md)
- [AWS ECR](https://docs.earthly.dev/docs/guides/configuring-registries/aws-ecr.md)
- [GCP Artifact Registry](https://docs.earthly.dev/docs/guides/configuring-registries/gcp-artifact-registry.md)
- [Azure ACR](https://docs.earthly.dev/docs/guides/configuring-registries/azure-acr.md)
- [Self-signed certificates](https://docs.earthly.dev/docs/guides/configuring-registries/self-signed.md)
- [Using the Earthly Docker Images](https://docs.earthly.dev/docs/guides/using-the-earthly-docker-images.md)
- [earthly/earthly](https://docs.earthly.dev/docs/guides/using-the-earthly-docker-images/all-in-one.md)
- [earthly/buildkitd](https://docs.earthly.dev/docs/guides/using-the-earthly-docker-images/buildkit-standalone.md)
- [Best practices](https://docs.earthly.dev/docs/guides/best-practices.md)