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Sealos is a Kubernetes distribution, a general-purpose Cloud Operating System designed for managing cloud-native applications. Demo: https://cloud.sealos.io

Home Page: https://sealos.io

License: Apache License 2.0

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sealos's Introduction

A general-purpose Cloud Operating System designed for managing Cloud Native applications

Docs | 简体中文｜ Roadmap

Sealos is a Kubernetes distribution, a general-purpose Cloud Operating System designed for managing Cloud Native applications.

Henceforth, envisage all your machinery as an ethereal supercomputer, whose operating system is Sealos, with Kubernetes assuming the role of the OS kernel.
Rather than IaaS, PaaS, and SaaS, the new paradigm shall solely encompass Cloud OS drivers (CSI, CNI, and CRI implementations), Cloud OS kernel (Kubernetes), and distributed applications.

Run a Kubernetes cluster

Demo

Sealos Desktop

Sealos Desktop Docs

Utilize the Cloud infrastructure akin to a Desktop computer, with the liberty to install or uninstall any Distributed Application at will:

Some Screen Shots of Sealos Desktop:

Sealos App Store	Sealos App Store

PostgreSQL on Sealos Desktop	PostgreSQL on Sealos Desktop

Core features

☸️ Manage clusters lifecycle
- Quickly install HA Kubernetes clusters.
- Add / remove nodes, Clean the cluster.
💻 Download and deploy OCI-compatible distributed applications.
- OpenEBS, MinIO, Ingress, PostgreSQL, MySQL, Redis, etc.
🛠️ Customize your own distributed applications.
- Utilizing Dockerfile to build images of distributed applications while preserving all of their dependencies.
- Push images of distributed applications to Docker Hub.
- Integrate various applications to construct a personalized Cloud platform.
☁️ Sealos Cloud
- Multi-tenant management.
- Application management.
- Multi-cloud cluster management, deploy Kubernetes and custom applications on any cloud platform.
- Run any distributed applications.
- Cloud terminal.
- App Store.

Quickstart

Installing a highly available Kubernetes cluster with Calico as the container network interface (CNI).

Here, the Cluster images kubernetes:v1.24.0 and calico:v3.24.1 stored in the registry are fully compliant with the OCI standard. However, if you prefer to use flannel, it is also an option.

# Download and install Sealos, which is a binary tool written in Golang. Simply download it and copy it to the bin directory. You can also download it from the release page.
$ wget  https://github.com/labring/sealos/releases/download/v4.1.4/sealos_4.1.4_linux_amd64.tar.gz  && \
    tar -zxvf sealos_4.1.4_linux_amd64.tar.gz sealos &&  chmod +x sealos && mv sealos /usr/bin 
# Create a cluster
$ sealos run labring/kubernetes:v1.25.0 labring/helm:v3.8.2 labring/calico:v3.24.1 \
     --masters 192.168.64.2,192.168.64.22,192.168.64.20 \
     --nodes 192.168.64.21,192.168.64.19 -p [your-ssh-passwd]

Supported Kubernetes versions: 240+ Kubernetes versions Kubernetes with cri-docker runtime
Other images for distributed applications

Single host

$ sealos run labring/kubernetes:v1.25.0 labring/helm:v3.8.2 labring/calico:v3.24.1

Building a custom Cluster image

Reference Building an Example CloudImage.

Storage, Message queue, Database, etc.

Don't be shocked by the following:

sealos run labring/helm:v3.8.2 # install helm
sealos run labring/openebs:v1.9.0 # install openebs
sealos run labring/minio-operator:v4.4.16 labring/ingress-nginx:4.1.0 \
   labring/mysql-operator:8.0.23-14.1 labring/redis-operator:3.1.4 # oneliner

And now everything is ready.

Use Kubernetes Cluster image with cri-docker runtime

sealos run labring/kubernetes-docker:v1.20.8-4.1.4 labring/calico:v3.22.1 \
     --masters 192.168.64.2,192.168.64.22,192.168.64.20 \
     --nodes 192.168.64.21,192.168.64.19 -p [your-ssh-passwd]

Community & support

Visit the Sealos website for full documentation and useful links.
Join our Discord server is to chat with Sealos developers and other Sealos users. This is a good place to learn about Sealos and Kubernetes, ask questions, and share your experiences.
Tweet at @sealosio on Twitter.
Create GitHub Issues for bug reports and feature requests.

Roadmap

Sealos maintains a public roadmap. It gives a a high-level view of the main priorities for the project, the maturity of different features and projects, and how to influence the project direction.

Contributing & Development

Have a look through existing Issues and Pull Requests that you could help with. If you'd like to request a feature or report a bug, please create a GitHub Issue using one of the templates provided.

See contribution guide →

See development guide →