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This article explains how to scale, back up, and upgrade Kubernetes clusters with Sealer by modifying the Clusterfile, using join/delete commands for both ALI_CLOUD and BAREMETAL providers, and configuring backup plugins and upgrade workflows.
This article explains the design principles of Sealer's Clusterfile, details its configuration parameters, demonstrates how to inject additional settings and environment variables, and describes the supported plugins for customizing Kubernetes clusters, providing practical examples and code snippets.
This article introduces Sealer’s overall architecture, explains its core concepts such as CloudImage, Kubefile, and Clusterfile, details the purpose of each module within the project, and compares its workflow to Docker for building and running Kubernetes cluster images.
Sealer is an open-source Alibaba tool for packaging, delivering, and running distributed applications as cluster images, simplifying Kubernetes cluster deployment and management on Linux systems.