Building Serverless Microservices in Python电子书

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Serverless Microservices Architectures and Patterns

Understanding different architecture types and patterns

The monolithic multi-tier architecture and the monolithic service-oriented architecture

Benefits of monolithic architectures

Drawbacks of the monolithic architectures

Overview of microservices

Benefits and drawbacks of microservice architectures

SOA versus microservices

Virtual machines, containers, and serverless computing

Virtual machines

Containers

Serverless computing

Comparing virtual machines, containers, and serverless

Overview of microservice integration patterns

Design patterns

Why are patterns useful?

Software design patterns and principles

Serverless microservices pattern categories

Communication styles and decomposition microservice patterns

Communication styles

One-to-one communication microservice patterns

Many-to-many communication microservice patterns

Decomposition pattern by business capability

Decomposition pattern by bounded context

Serverless computing in AWS

Overview of some of the key serverless services in AWS

AWS Lambda

Serverless computing to implement microservice patterns

Example use case – serverless file transformer

Setting up your serverless environment

Setting up your AWS account

Setting up MFA

Setting up a new user with keys

Managing your infrastructure with code

Installing bash on Windows 10

Updating Ubuntu, installing Git and Python 3

Installing and setting up the AWS CLI

Summary

Creating Your First Serverless Data API

Overview of security in AWS

Why is security important?

Security by design principles

AWS Identity and Access Management

JavaScript object notation

IAM policies

IAM users

IAM groups

IAM roles

Securing your serverless microservices

Lambda security

API Gateway security

DynamoDB security

Monitoring and alerting

Find out more

Building a serverless microservice data API

Serverless microservice data API requirements

Query string

Data API architecture

Setting up Lambda security in the AWS Management Console

Creating an IAM policy

DynamoDB IAM policy

Lambda IAM policy

Creating the Lambda IAM role

Creating and writing to a NoSQL database called DynamoDB using AWS

Creating a DynamoDB in AWS

Writing data to DynamoDB using AWS

Querying DynamoDB using AWS

DynamoDB Scan in AWS Management Console

DynamoDB Query in AWS Management Console

Deleting DynamoDB using AWS

Creating and writing to a NoSQL database called DynamoDB using Python

Creating a DynamoDB table using Python

Writing to DynamoDB using Python

Querying DynamoDB using Python

Creating a Lambda to query DynamoDB

Creating the Lambda function

Testing the Lambda function

Setting up the API Gateway and integrating it with a Lambda proxy

Connecting API Gateway, Lambda, and DynamoDB

Cleaning-up

Summary

Deploying Your Serverless Stack

An overview of serverless stack build and deploy options

Manually provisioning infrastructure

Infrastructure as code

Building and deploying using the Serverless Application Model (SAM)

Building and deploying using alternate options

Creating a profile, an S3 bucket, IAM policies, and IAM roles resources

Creating an AWS credentials profile

Creating an S3 bucket

Setting up the configuration files for your AWS account

Updating the polices and assuming roles files

Creating the IAM roles and policies

Checking the IAM roles and policies

Building and deploying with API Gateway, Lambda, and DynamoDB

Building the Lambda as a ZIP package

SAM YAML template

Packaging and deploying your serverless stack

Putting it all together

Manually testing the serverless microservice

Making code and configuration changes

Deleting the serverless stack

Summary

Testing Your Serverless Microservice

Unit testing your Python Lambda code

Why is testing important?

Types of testing

Unit testing Lambda Python code

The sample test data

The unit test

Mocking

Running the unit test

Code coverage

Running and debugging your AWS Lambda code locally

Batch-loading data into DynamoDB

Running the Lambda locally

Integration testing using real test data

Testing that a Lambda has been deployed correctly

Testing that API Gateway has been deployed correctly

The AWS Serverless Application Model CLI

Loading and end-to-end testing at scale

Load testing your serverless microservice

Strategies to reduce the API's latency

Cleaning up

Summary

Securing Your Microservice

Overview of the security in AWS

Why is security important?

Types of security terms in AWS

Overview of AWS Identity and Access Management (IAM)

IAM users

IAM groups

IAM roles

Securing your serverless microservice

Lambda security

DynamoDB security

Monitoring and alerting

Summary

Summary and Future Work

Book summary

Future work

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