astronomer-cosmos

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Run your dbt Core projects as Apache Airflow® <https://airflow.apache.org/>_ DAGs and Task Groups with a few lines of code. Benefits include:

• Run dbt projects against Airflow connections instead of dbt profiles
• Native support for installing and running dbt in a virtual environment to avoid dependency conflicts with Airflow
• Run tests immediately after a model is done to catch issues early
• Utilize Airflow's data-aware scheduling to run models immediately after upstream ingestion
• Turn each dbt model into a task/task group complete with retries, alerting, etc.

Quickstart

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Check out the Getting Started guide on our docs <https://astronomer.github.io/astronomer-cosmos/getting_started/index.html>. See more examples at /dev/dags <https://github.com/astronomer/astronomer-cosmos/tree/main/dev/dags> and at the cosmos-demo repo <https://github.com/astronomer/cosmos-demo>_.

Example Usage

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You can render a Cosmos Airflow DAG using the DbtDag class. Here's an example with the jaffle_shop project <https://github.com/dbt-labs/jaffle_shop>_:

.. This renders on Github but not Sphinx:

https://github.com/astronomer/astronomer-cosmos/blob/24aa38e528e299ef51ca6baf32f5a6185887d432/dev/dags/basic_cosmos_dag.py#L1-L42

This will generate an Airflow DAG that looks like this:

.. figure:: /docs/_static/jaffle_shop_dag.png

Community

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• Join us on the Airflow Slack <https://join.slack.com/t/apache-airflow/shared_invite/zt-1zy8e8h85-es~fn19iMzUmkhPwnyRT6Q>_ at #airflow-dbt

Changelog

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We follow Semantic Versioning <https://semver.org/>_ for releases. Check CHANGELOG.rst <https://github.com/astronomer/astronomer-cosmos/blob/main/CHANGELOG.rst>_ for the latest changes.

Contributing Guide

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All contributions, bug reports, bug fixes, documentation improvements, enhancements are welcome.

A detailed overview an how to contribute can be found in the Contributing Guide <https://astronomer.github.io/astronomer-cosmos/contributing>_.

As contributors and maintainers to this project, you are expected to abide by the Contributor Code of Conduct <https://github.com/astronomer/astronomer-cosmos/blob/main/CODE_OF_CONDUCT.md>_.

License

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Apache License 2.0 <https://github.com/astronomer/astronomer-cosmos/blob/main/LICENSE>_

Privacy Notice

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This project follows Astronomer's Privacy Policy <https://www.astronomer.io/privacy/>_

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