source-controller/README.md

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# Source controller
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The source-controller is a Kubernetes operator, specialised in artifacts acquisition
from external sources such as Git, OCI, Helm repositories and S3-compatible buckets.
The source-controller implements the
[source.toolkit.fluxcd.io](docs/spec/README.md) API
and is a core component of the [GitOps toolkit](https://fluxcd.io/flux/components/).
![overview](docs/diagrams/source-controller-overview.png)
## APIs
| Kind | API Version |
|-------------------------------------------------------|------------------------------------|
| [GitRepository](docs/spec/v1/gitrepositories.md) | `source.toolkit.fluxcd.io/v1` |
| [OCIRepository](docs/spec/v1beta2/ocirepositories.md) | `source.toolkit.fluxcd.io/v1beta2` |
| [HelmRepository](docs/spec/v1/helmrepositories.md) | `source.toolkit.fluxcd.io/v1` |
| [HelmChart](docs/spec/v1/helmcharts.md) | `source.toolkit.fluxcd.io/v1` |
| [Bucket](docs/spec/v1/buckets.md) | `source.toolkit.fluxcd.io/v1` |
## Features
* authenticates to sources (SSH, user/password, API token, Workload Identity)
* validates source authenticity (PGP, Cosign, Notation)
* detects source changes based on update policies (semver)
* fetches resources on-demand and on-a-schedule
* packages the fetched resources into a well-known format (tar.gz, yaml)
* makes the artifacts addressable by their source identifier (sha, version, ts)
* makes the artifacts available in-cluster to interested 3rd parties
* notifies interested 3rd parties of source changes and availability (status conditions, events, hooks)
* reacts to Git, Helm and OCI artifacts push events (via [notification-controller](https://github.com/fluxcd/notification-controller))
## Guides
* [Get started with Flux](https://fluxcd.io/flux/get-started/)
* [Setup Webhook Receivers](https://fluxcd.io/flux/guides/webhook-receivers/)
* [Setup Notifications](https://fluxcd.io/flux/guides/notifications/)
* [How to build, publish and consume OCI Artifacts with Flux](https://fluxcd.io/flux/cheatsheets/oci-artifacts/)
## Roadmap
The roadmap for the Flux family of projects can be found at <https://fluxcd.io/roadmap/>.
## Contributing
This project is Apache 2.0 licensed and accepts contributions via GitHub pull requests.
To start contributing please see the [development guide](DEVELOPMENT.md).