费良宏 Technical Evangelist | Amazon Web Services lianghon@amazon.com 用 Python 开发 Serverless 应用 @ 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved $whoami • 软件工程师 (1991 – 今) • （2011-1025） • Architect Evangelist @ (2004-2011) … Serverless 为何而生 ？ 为什么需要“无服务器”？ 服务部署及利用率 可用性及容错度 监控、调度 运行及管理 什么是“Serverless”? 无需管理基础设施 自动扩展 按价值付费 高可用以及安全 “无服务”是一种新的模型，它跨越许多不同类别的服务 AWS API Gateway Amazon SNS Amazon SQS AWS Step Functions 计 算 数 据 存 储 集 成 Amazon Aurora Serverless Amazon S3 Amazon DynamoDB AWS AppSync 2014.11 2016.2 2016.3 2017.12 AWS Lambda Google Cloud

A Little bit about Myself • Serverless Specialist SA, GCR • Based in Taipei • Focus on Serverless, Container and AWS CDK • Father of a daughter • Speaker in AWS Global Summits, KubeCon and CNCF Webinar @pahudnet hunhsieh Pahud Hsieh 目录 CONTENTS Why Serverless How Serverless in Python Packaging and Distribution Serverless to the Next Level Why Serverless Development transformation at Amazon: 2001–2002 No Lambda functions Start End Serverless compute engine for containers Long-running Bring existing code Fully-managed orchestration AWS Fargate Serverless event-driven code execution Short-lived

Cloud-Native PaaS for microservices and serverless Cloud Infrastructure-Ready VMs Managed services Azure PaaS for containerized microservices + Serverless computing + Managed services And Windows Identity/Auth, Cost control and Operations model Azure Azure 粘合剂 – Azure Functions Serverless in Azure – FaaS 是 Serverless 架构的核心 什么是 Azure Functions .NET, Node, Java, Docker, PHP, Ruby, Python Staging

Contract ★ Serverless The Weapons Web3 Utilizes For mainstream tech stack, e. g. Ethereum ➔ A world-wide unified network to provide a serverless layer • A single-core CPU machine • Is serverless really

在系统编程已经取得了巨大成功 培养更广泛的 Rust 开发 围绕 LLM 生态封装相应的 Rust 框 架，让开发者能够使用简单的 Rust 写 应用 如何用 Rust 实现的 构建和部署 AI 相关工作流的 serverless 平台 • 上传 Rust function ，平台负责将 Rust 编译成 Wasm ，并运行在 WasmEdge 安全容 器中 • 平台封装了一些常用 LLM 和 SaaS 的 API crate ，比如 ChatGPT 、 telegram 、 GitHub 、 Discord 、向量数据库比如 qdront 。 • 整个 serverless 平台是为 Rust 和 WebAssembly 设计的 视频演示如何使用 serverless 的方式部署 一个 PR review 机器人。 待插入视频，大概是 2 分钟的录屏 Talk is cheap, show me the

ever: local tunnel 10.2. Zero configuration deployments 10.2.1. Glitch 10.2.2. Codepen 10.3. Serverless 10.4. PAAS 10.4.1. Zeit Now 10.4.2. Nanobox 10.4.3. Heroku 10.4.4. Microsoft Azure 10.4.5 and deploy it with a custom domain. 29 10.3. Serverless A way to publish your apps, and have no server at all to manage, is Serverless. Serverless is a paradigm where you publish your apps as functions network endpoint (also called FAAS - Functions As A Service). To very popular solutions are Serverless Framework Standard Library They both provide an abstraction layer to publishing on AWS Lambda

Schemaless Class Order { Date delivery_time String delivery_address … } mongodb Not serverless Hello.py Serverless Hello.py Not service oriented Class Order { Date delivery_time String delivery_address

contribution success. About Oliver • Just completed masters @ Imperial College • Eliminating serverless cold-starts.. • Last summer on Cloud Foundry @ Pivotal London • First line of Go in May merged completed my masters degree at Imperial College London, where I wrote my thesis about eliminating serverless cold-starts I spent last summer working on the Cloud Foundry Container team - Garden @ Pivotal

WebAssembly（WASM）简介 46 • 语言无关 • 平台无关 • 可移植 • 内存安全的沙箱隔离环境 浏览器 compile program WASM Runtime Lucet 业务逻辑？ Serverless？ WebAssembly 落地原理 47 MOSN WASM Go/C/C++/Rust/ … Compile WASM Runtime WASM WASM MOSN集成了WASM运行时 compile WASM Runtime Runtime API Config Pub/Sub RPC ... State Lock FaaS WebAssembly 应用场景 52 理想的serverless研发模式 BaaS WebAssembly 应用场景 53 现实…… 想拿Webassembly跑FaaS？ 目前的科技树还不成熟 WebAssembly 应用场景 54 Layotto的探索

例子：生成测试用户 例子：远程控制饮水机 接下来： • 支持更多的数据类型 • 类型对应的控件可配置 大胆的想法： • 直接使用 Function 构建小型应用的管理后台？ • Serverless 管理后台？ 谢谢大家