github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/docs/design (about) auto-build.md build_zh.md clusterfile-v2.md docker-image-cache.md global-config.md global-config_zh.md image-save_zh.md mutil_arch_build.md plugin.md plugin_zh.md registry-image_zh.md registry_zh.md upgrade_cluster_zh.md