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https://github.com/AliyunContainerService/pouch
An Efficient Enterprise-class Container Engine
https://github.com/AliyunContainerService/pouch
cloud-native containers efficiency go isolation kubernetes oci package security
Last synced: 10 days ago
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An Efficient Enterprise-class Container Engine
- Host: GitHub
- URL: https://github.com/AliyunContainerService/pouch
- Owner: AliyunContainerService
- License: apache-2.0
- Created: 2017-09-06T03:01:51.000Z (about 7 years ago)
- Default Branch: master
- Last Pushed: 2024-08-22T02:06:07.000Z (3 months ago)
- Last Synced: 2024-10-29T15:35:07.204Z (13 days ago)
- Topics: cloud-native, containers, efficiency, go, isolation, kubernetes, oci, package, security
- Language: Go
- Homepage: https://pouchcontainer.io
- Size: 24.8 MB
- Stars: 4,632
- Watchers: 262
- Forks: 948
- Open Issues: 9
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
Awesome Lists containing this project
README
# PouchContainer - An Efficient Enterprise-class Rich Container Engine
[](https://www.apache.org/licenses/LICENSE-2.0.html)
[](https://godoc.org/github.com/alibaba/pouch)
[](https://travis-ci.org/alibaba/pouch)
[](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Falibaba%2Fpouch?ref=badge_shield)
[](https://goreportcard.com/report/github.com/alibaba/pouch)
[](https://codecov.io/gh/alibaba/pouch)
## Main Links
- [Introduction](#introduction)
- [Features](#features)
- [Architecture](#architecture)
- [Getting Started](#getting-started)
- [Deploying Kubernetes with PouchContainer](#deploying-kubernetes-with-pouchcontainer)
- User Manual
- [CLI Manual](docs/commandline)
- [API Manual](docs/api)
- [USER Manual](docs/user)
- [Contributing](#contributing)
## Introduction
PouchContainer is an open-source project created by Alibaba Group to promote the container technology movement.
PouchContainer's vision is to advance container ecosystem and promote container standards [OCI(Open Container Initiative)](https://github.com/opencontainers), so that container technologies become the foundation for application development in the Cloud era.
PouchContainer can pack, deliver and run any application. It provides applications with a lightweight runtime environment with strong isolation and minimal overhead. PouchContainer isolates applications from varying runtime environment, and minimizes operational workload. PouchContainer minimizes the effort for application developers to write Cloud-native applications, or to migrate legacy ones to a Cloud platform.
## Features
PouchContainer's most important features are:
- **Rich container**: Besides the common ways of running container, PouchContainer includes a `rich container` mode, which integrates more services, hooks, and many others container internals to guarantee container's running like usual.
- **Strong isolation**: PouchContainer is designed to be secure by default. It includes lots of security features, like hypervisor-based container technology, lxcfs, directory disk quota, patched Linux kernel and so on.
- **P2P distribution**: PouchContainer utilizes [Dragonfly](https://github.com/alibaba/dragonfly), a P2P-base distribution system, to achieve lightning-fast container image distribution at enterprise's large scale.
- **Kernel compatibility**: Enables OCI-compatible runtimes to work on old kernel versions, like linux kernel 2.6.32+.
- **Standard compatibility**: PouchContainer keeps embracing container ecosystem to support industry standard, such as CNI, CSI and so on.
- **Kubernetes compatibility**: PouchContainer has natively implemented Kubernetes Container Runtime Interface(CRI). It will be smooth to migrate from other Kubernetes container runtime to PouchContainer.
## Architecture
We describe PouchContainer's architecture from two dimensions: **ecosystem architecture** which illustrates how PouchContainer fits into the container ecosystem and **component architecture** which describes the interactions between various components inside PouchContainer. For more details, please refer to file [architecture.md](docs/architecture.md).
## Advantages
PouchContainer has lots of advantages over VM technologies. Two of the most impressive ones are **Resource Utilization** and **Application Centric**.
### Resource Utilization
PouchContainer significantly improves resource utilization:
- PouchContainer is compatible with OCI image spec. Applications can minimize their storage usage with layered image structure.
- Incremental image distribution, saves datacenter bandwidth consumption.
- Significantly less runtime overhead than VM-based technologies.
### Application Centric
PouchContainer offers a more "application centric" approach for application development:
- PouchContainer provides strong runtime isolation between applications, with cutting-edge technology both within kernel support and beyond kernel mode.
- PouchContainer enables cross-platform and cross-OS application delivery.
- PouchContainer supports standardized application image spec, so application sharing and reusing becomes trivial for developers and operators.
## Getting Started
You can easily setup a basic PouchContainer environment, see [INSTALLATION.md](INSTALLATION.md). You'll need to install a few packages before starting `pouchd`, which starts a container management service. The service can be accessed through the `pouch` CLI or RPC calls. For more details, please refer to [CLI Manual](docs/commandline), [API Manual](docs/api) and [USER Manual](docs/user).
## Deploying Kubernetes With PouchContainer
After installing PouchContainer on your machine, maybe it is the exciting moment for you to power your Kubernetes cluster by PouchContainer. There is an easy guide for you to quickly experience this amazing combination [Kubernetes + PouchContainer](docs/kubernetes/pouch_with_kubernetes_deploying.md).
## Contributing
You are warmly welcomed to hack on PouchContainer. We have prepared a detailed guide [CONTRIBUTING.md](CONTRIBUTING.md).
## FAQ
For more details about frequently asked questions (FAQ), please refer to file [FAQ.md](FAQ.md).
## Roadmap
For more details about roadmap, please refer to file [ROADMAP.md](ROADMAP.md).
## Connect with us
You are encouraged to communicate everything via GitHub issues or pull requests. In the future, we would provide more channels for communication if necessary.
If you have urgent issues, please contact PouchContainer team at [[email protected]](mailto:[email protected]).
## License
PouchContainer is licensed under the Apache License, Version 2.0. See [LICENSE](LICENSE) for the full license text.