+[comment]: # (Copyright © The Arvados Authors. All rights reserved.)
+[comment]: # ()
+[comment]: # (SPDX-License-Identifier: CC-BY-SA-3.0)
+
# Contributing
-When making a pull request, please ensure *every git commit message* includes a one-line [Developer Certificate of Origin](https://dev.arvados.org/projects/arvados/wiki/Developer_Certificate_Of_Origin). If you have already made commits without it, fix them with `git commit --amend` or `git rebase`.
+Arvados is free software, which means it is free for all to use, learn
+from, and improve. We encourage contributions from the community that
+improve Arvados for everyone. Some examples of contributions are bug
+reports, bug fixes, new features, and scripts or documentation that help
+with using, administering, or installing Arvados. We also love to
+hear about Arvados success stories.
+
+Those interested in contributing should begin by joining the [Arvados community
+channel](https://gitter.im/arvados/community) and telling us about your interest.
+
+Contributors should also create an account at https://dev.arvados.org
+to be able to create and comment on bug tracker issues. The
+Arvados public bug tracker is located at
+https://dev.arvados.org/projects/arvados/issues .
+
+Contributors may also be interested in the [development road map](https://dev.arvados.org/issues/gantt?utf8=%E2%9C%93&set_filter=1&gantt=1&f%5B%5D=project_id&op%5Bproject_id%5D=%3D&v%5Bproject_id%5D%5B%5D=49&f%5B%5D=&zoom=1).
+
+# Development
+
+Git repositories for primary development are located at
+https://git.arvados.org/ and can also be browsed at
+https://dev.arvados.org/projects/arvados/repository . Every push to
+the main branch is also mirrored to Github at
+https://github.com/arvados/arvados .
+
+Visit [Hacking Arvados](https://dev.arvados.org/projects/arvados/wiki/Hacking) for
+detailed information about setting up an Arvados development
+environment, development process, [coding standards](https://dev.arvados.org/projects/arvados/wiki/Coding_Standards), and notes about specific components.
+
+If you wish to build the Arvados documentation from a local git clone, see
+[doc/README.textile](doc/README.textile) for instructions.
+
+# Pull requests
+
+The preferred method for making contributions is through Github pull requests.
+
+This is the general contribution process:
+
+1. Fork the Arvados repository using the Github "Fork" button
+2. Clone your fork, make your changes, commit to your fork.
+3. Every commit message must have a DCO sign-off and every file must have a SPDX license (see below).
+4. Add yourself to the [AUTHORS](AUTHORS) file
+5. When your fork is ready, through Github, Create a Pull Request against `arvados:main`
+6. Notify the core team about your pull request through the [Arvados development
+channel](https://gitter.im/arvados/development) or by other means.
+7. A member of the core team will review the pull request. They may have questions or comments, or request changes.
+8. When the contribution is ready, a member of the core team will
+merge the pull request into the main branch, which will
+automatically resolve the pull request.
+
+The Arvados project does not require a contributor agreement in advance, but does require each commit message include a [Developer Certificate of Origin](https://dev.arvados.org/projects/arvados/wiki/Developer_Certificate_Of_Origin). Please ensure *every git commit message* includes `Arvados-DCO-1.1-Signed-off-by`. If you have already made commits without it, fix them with `git commit --amend` or `git rebase`.
+
+The Developer Certificate of Origin line looks like this:
+
+```
+Arvados-DCO-1.1-Signed-off-by: Joe Smith <joe.smith@example.com>
+```
+
+New files must also include `SPDX-License-Identifier` at the top with one of the three Arvados open source licenses. See [COPYING](COPYING) for details.
+
+# Continuous integration
+
+Continuous integration is hosted at https://ci.arvados.org/
+
+Currently, external contributors cannot trigger builds. We are investigating integration with Github pull requests for the future.
+
+[](https://ci.arvados.org/job/run-tests/)
+
+[](https://goreportcard.com/report/github.com/arvados/arvados)
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