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Open Application Model Specification

Gitter License: MIT TODOs Follow on Twitter

Open Application Model (OAM) is a runtime-agnostic specification for defining cloud native applications.

Focused on application rather than container or orchestrator, Open Application Model brings modular, extensible, and portable design for modeling application deployment with consistent higher level API. This is the key to enable simple yet robust application delivery workflow across hybrid environments including Kubernetes, cloud, or even IoT devices.

Introduction

"Developers think in terms of application architecture, not of infrastructure."

How it works

Why Open Application Model?

Managing applications without application context is hard:

  • Developers spend time on infrastructure details instead of apps - ingress, labels, DNS, etc, and learning how the infrastructure is implemented.
  • Inextensible - upper layer platform may be introduced, but it's almost certain that the needs of your app will outgrow the capabilities of that platform soon.
  • Runtime lock-in - app description is tightly coupled with the runtime infrastructure, which heavily impact on how you configure, develop and operate the app across hybrid environments.

In Open Application Model, we propose an app-centric approach instead:

  • Application first - define the app with a self-contained model, where operational behaviors as part of app definition, free of infrastructure here.
  • Clarity and extensibility - an open standard to modularize infrastructure capabilities into reusable pieces that adapts to your needs, not the other way around.
  • Runtime agnostic - a consistent experience to deploy and operate your apps across on-prem clusters, cloud providers or even edge devices.

Read the specification

Previous Releases Latest Release Working Draft
OAM Specification v0.1.0, v0.2.1 v0.3.0 --

See it in action

For latest releases (recommend):

  • KubeVela: the modern application deployment system based on OAM, with Kubernetes as control plane.

For v0.1.x releases:

  • Rudr: the reference implementation of OAM on Kubernetes.

Community

Milestones

To get an overview of the milestones and their description please visit the Milestones page.

Triaging

Triaging of items into milestones will occur during the bi-weekly community call. During this call, issues might be brought into milestones, removed from milestones or moved between milestones.

Contributing

See the CONTRIBUTING guide for more information about submitting changes to the spec.

One of the easiest ways to contribute is to participate in discussions. There are several ways to get involved.

Item Value
Mailing List https://groups.google.com/forum/#!forum/oam-dev
Community meeting info Bi-weekly, Tuesdays 10:30AM PST
Meeting link OAM Community Call
APAC Friendly Community meeting Bi-weekly APAC, Tuesdays 19:00PM GMT+8
Meeting link APAC Friendly meeting OAM Community Call
Meeting notes Notes and agenda
Meeting recordings OAM YouTue Channel
IM Channel https://gitter.im/oam-dev/
Twitter @oam_dev

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