Virtualization O/S Containers Runtime Applications Functions Physical Machine Customer Vender Virtual Machine Hardware Virtualization O/S Containers Runtime Applications Functions Container Container Hardware Virtualization O/S Containers Runtime Applications Functions Serverless Hardware Virtualization O/S Containers Runtime Applications Functions ❑ 云计算：去基础架构的过程 ❑ Serverless 自动回复，秒 级 ❑ 每次请求都是一个新的实例 虚拟机 容器 Serverless 性能调优 Database Linux OS 虚拟机 Database Tomcat Network Runtime Serverless vs. IaaS 运维能力 安全保障 Serverless vs. IaaS 运维能力 ❑ 网络隔离 ❑ 执行环境与管理环境隔离 ❑ 函数资源限制 ❑ 文件系统目录限制

Based on Shipwright open-source project OpenShift Builds 14 Application code Runtime image Build tools image Runtime image OpenShift Builds Application image GENERAL DISTRIBUTION OpenShift Builds image: registry.redhat.io/openjdk/openjdk-11-rhel8 output: image: quay.io/myorg/myapp:v1 runtime: image: docker.io/openjdk:11-jre-slim Cloud-Native Buildpacks Source-to-Image (S2I) 16 OpenShift

system in this context is defined as one or more runtime environments consisting of resources under management, the manage- ment agents within each runtime, and the policies for controlling access and manage-

deployments. Helm works by marrying a set of templates for Kubernetes manifests along with their runtime values that are merged to create the end result of what is deployed in the cluster. While