k8s中Pod的两种实现机制，共享网络和共享存储

k8s中pod的镜像拉取、重启策略和资源限制拉取镜像策略资源限制Pod重启机制拉取镜像策略apiVersion：v1kind: Podmetadata:name:mypodspec：containers：-name:nginximage:nginx:1.14imagePullPolicy:Always#IfNotPresent:默认值，镜像在宿主机上不存在才会拉取# Always：每次创建Pod都