November 2021
Beginner to intermediate
239 pages
4h 15m
Chinese
Content preview from Dapr学习手册
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简介
｜
25
如果要检查
Redis
中保存的状态，你可以使用
Docker
的
exec
命令连接到
Redis
服务器，并使用
keys
命令进行查询（你可以使用
docker ps
命令获得
Redis
容器的名称）：
docker exec -it <name of your Redis container> redis-cli
图
0-3
显示了在计算机上，我有一个
hello-dapr-mystate
的哈希键，其
data
字段的值为
6
，
version
字段的值为
7
（我们将在第
2
章中说明版本化是如何
工作的）。
图
0
-
3
：查询 Redis 记录
现在你的应用已经成功地在本地计算机上运行了，让我们接下来看看如何使
同一个应用在
Kubernetes
集群上运行。
0.3.2 Dapr Kubernetes
模式下的
Hello world
为了演示在
Kubernetes
上
使用
Dapr
，我们将创建一对服务：一个定期发送
消息的
Python
服务和一个侦听消息的
Node.js
服务。
开始之前，你需要一个启用了基于角色访问控制（
RBAC
）的
Kubernetes
集群。
你还需要
kubectl
来配置集群。
本书假设你熟悉
Kubernetes
，因此此处我们将略过对
Kubernetes
的介绍。
26
｜
第
0
章
0.3.2.1
安装
Dapr
如果已安装
Dapr CLI
，则可以使用以下命令将
Dapr
运行到
kubectl
当前管
理的
Kubernetes
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.