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Building Serverless Applications with Python电子书

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9.8

作者：Jalem Raj Rohit

出版社：Packt Publishing

出版时间：2018-04-20

字数：13.9万

所属分类：进口书 > 外文原版书 > 电脑/网络

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Building efficient Python applications at minimal cost by adopting serverless architectures About This Book ? Design and set up a data flow between cloud services and custom business logic ? Make your applications efficient and reliable using serverless architecture ? Build and deploy scalable serverless Python APIs Who This Book Is For This book is for Python developers who would like to learn about serverless architecture. Python programming knowledge is assumed. What You Will Learn ? Understand how AWS Lambda and Microsoft Azure Functions work and use them to create an application ? Explore various triggers and how to select them, based on the problem statement ? Build deployment packages for Lambda functions ? Master the finer details about building Lambda functions and versioning ? Log and monitor serverless applications ? Learn about security in AWS and Lambda functions ? Scale up serverless applications to handle huge workloads and serverless distributed systems in production ? Understand SAM model deployment in AWS Lambda In Detail Serverless architectures allow you to build and run applications and services without having to manage the infrastructure. Many companies have adopted this architecture to save cost and improve scalability. This book will help you design serverless architectures for your applications with AWS and Python. The book is divided into three modules. The first module explains the fundamentals of serverless architecture and how AWS lambda functions work. In the next module, you will learn to build, release, and deploy your application to production. You will also learn to log and test your application. In the third module, we will take you through advanced topics such as building a serverless API for your application. You will also learn to troubleshoot and monitor your app and master AWS lambda programming concepts with API references. Moving on, you will also learn how to scale up serverless applications and handle distributed serverless systems in production. By the end of the book, you will be equipped with the knowledge required to build scalable and cost-efficient Python applications with a serverless framework. Style and approach The book takes a pragmatic approach, using a real-world example to demonstrate building efficient, secure, and scalable serverless applications.

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Title Page

Building Serverless Applications with Python

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Contributors

About the author

About the reviewer

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Preface

Who this book is for

What this book covers

To get the most out of this book

Conventions used

Get in touch

Reviews

The Serverless Paradigm

Understanding serverless architectures

Understanding microservices

Serverless architectures don't have to be real-time only

Pros and cons of serverless

Summary

Building a Serverless Application in AWS

Triggers in AWS Lambda

Lambda functions

Functions as containers

Configuring functions

Testing Lambda functions

Versioning Lambda functions

Creating deployment packages

Summary

Setting Up Serverless Architectures

S3 trigger

SNS trigger

SQS trigger

CloudWatch trigger

Summary

Deploying Serverless APIs

API methods and resources

Setting up integration

Deploying the Lambda function for API execution

Handling authentication and user controls

Summary

Logging and Monitoring

Understanding CloudWatch

Understanding CloudTrail

Lambda’s metrics in CloudWatch

Lambda's logs in CloudWatch

Logging statements in Lambda

Summary

Scaling Up Serverless Architectures

Third-party orchestration tools

The creation and termination of servers

Security best practices

Identifying and handling difficulties in scaling

Summary

Security in AWS Lambda

Understanding AWS Virtual Private Clouds (VPCs)

Understanding subnets in VPCs

Securing Lambda inside private subnets

Controlling access to Lambda functions

Using STS inside Lambda for secure session-based execution

Summary

Deploying a Lambda Function with SAM

Introduction to SAM

CloudFormation for serverless services

Deploying with SAM

Understanding security in SAM

Summary

Introduction to Microsoft Azure Functions

Creating your first Azure Function

Understanding triggers

Understanding logging and monitoring in Azures Functions

Best practices for writing Azure Functions

Summary

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