AWS Serverless Microservices with Patterns and Best Practices [Video]

Book Image

AWS Serverless Microservices with Patterns and Best Practices [Video]

By : Mr. Mehmet Ozkaya

4 (1)

Book Image

AWS Serverless Microservices with Patterns and Best Practices [Video]

4 (1)

By: Mr. Mehmet Ozkaya

Overview of this book

In this course, you will learn AWS event-driven serverless microservices using AWS Lambda, AWS DynamoDB, AWS API Gateway, AWS EventBridge, AWS SQS, AWS CDK for IaC, and AWS CloudWatch for monitoring. You will learn to develop reliable and scalable serverless applications, following the microservices architecture. You will use AWS API Gateway for Restful API-driven development and synchronous event sources, AWS EventBridge for event-driven asynchronous communication between microservices, and AWS SQS for decoupling microservices and processing events asynchronously using queues. The project of building an e-commerce application will be totally serverless components. The serverless components that will be used are API Gateway, Product Lambda microservices, Basket Lambda microservices, and AWS EventBridge. There will be three communication types: synchronous communication with AWS API Gateway, asynchronous communication with AWS serverless EventBus, which is EventBridge, and event source mapping communication when polling queue records from Lambda services to AWS SQS-Simple Queue Service. Finally, you will use AWS CDK for IaC Serverless Stacks developments that we will develop and provision for all services. By the end of this course, you will learn how to design and develop AWS event-driven microservices using serverless patterns and best practices. All resources and code files are placed here: https://github.com/PacktPublishing/AWS-Serverless-Microservices-with-Patterns-and-Best-Practices

Free Chapter

Introduction to the Course

Final Application – Serverless Event-Driven E-Commerce Application

Project Code Structure

AWS Cost Management During the Course

Course Structure and Way of Learning

AWS Lambda Invocation Types

Our Serverless Journey with AWS Lambda Invocation Types

Serverless Explained: AWS Operational Responsibility Model

AWS Serverless Services for Microservices Architectures

Project Code and Course Slides

Project Code and Course Slides

Create AWS Account – Free Tier

Create Free Tier AWS Account

Security Best Practices of AWS Accounts

Create IAM User Account and Configure for Programmatic and Console Access

AWS Access Types - Programmatic and Management Console Access

Developing Our First Lambda Function

AWS Lambda Overview

How Does AWS Lambda Work?

AWS Lambda Main Features

AWS Lambda Event Sources and Destination Trigger Services

AWS Lambda Invocation Types

AWS Lambda Function Code

AWS Lambda Walkthrough with AWS Management Console

AWS Lambda Best Practices and Event-Driven Architecture

Architecture Recap: Event-Driven Microservices Architectures

Microservices Architecture

Microservices Communications

Event-Driven Microservices Architecture

Application Integration Patterns for Microservices

Thinking AWS Serverless for Event-Driven Microservices Architecture

Thinking Serverless

AWS as an Application Development Framework

AWS Lambda as a Microservice

Mapping Microservice Architecture with AWS Serverless Services for Microservice

Event-Driven Serverless Microservices Design with AWS Lambda

Serverless Architectural Patterns and Best Practices

API Gateway RESTful API Development with Synchronous Lambda Event Sources

Introduction to the Section

What Is Amazon API Gateway?

Architecture of API Gateway

Main Features of API Gateway

Amazon API Gateway Use Cases

API Gateway as a Lambda Synchronous Event Sources

Amazon API Gateway Core Concepts

Amazon API Gateway - Differences Between REST - HTTP API

Amazon API Gateway Walkthrough with AWS Management Console

Building Microservices with AWS Lambda for Synchronous API-Driven Event Sources

Developing AWS Lambda Synchronous Microservices with Amazon API Gateway

Create a REST API from AWS Lambda Function by Adding API Gateway Trigger

Understanding Lambda Trigger with Event JSON Object

Understanding API Gateway Synchronous Trigger to AWS Lambda

Resource Cleanup

AWS DynamoDB Serverless NoSQL Data Persistence

What Is Amazon DynamoDB?

AWS DynamoDB Core Concepts - Tables, Items, Attributes, Indexes

AWS DynamoDB Primary Key, Partition Key, and Sort Key

AWS DynamoDB Walkthrough with AWS Management Console

Building RESTful Microservices with AWS Lambda, API Gateway, and DynamoDB

Introduction to the Section

Create a DynamoDB Table

Create a Lambda Function

Create an API Gateway

Test - RESTful Microservices with AWS Lambda, API Gateway, and DynamoDB

AWS Console microservice-http-endpoint Lambda Blueprint - API Gw + Lambda + Dyna

Resource Cleanup

AWS Serverless Deployments IaC with AWS CDK (Cloud Development Kit)

Introduction to the Section

What Is IaC - Infrastructure as Code

AWS Cloud Formation

AWS CDK - Cloud Development Kit

AWS CDK Core Concepts - Apps - Stacks - Constructs - Environments

AWS Solutions Constructs with Levels L1 - L2 - L3 Pattern Construct

AWS CDK Lifecycle

CDK Serverless Patterns with Solution Constructs

Serverless + CDK Automation + Integration Patterns = AWSome Microservices

CDK - Hands-On IaC Development

Prerequisites and Tools for Developing Serverless Applications on AWS

Introduction - Prerequisites and Tools

Prerequisites 1 - AWS Account and User

Prerequisites 2 - AWS CLI

Quick Setup of AWS CLI

Prerequisites 3 - NodeJS

Prerequisites 4 - AWS CDK Toolkit

Check Your Installations

Prerequisites 5 - Visual Studio Code

Getting Started with AWS CDK by Developing Our First CSK Application

Introduction to the Section

Creating AWS CDK Application for IaC

Building AWS CDK Application for IaC

Explore CDK Project Directory

Run CDK Commands on VS Code - Set-ExecutionPolicy RemoteSigned

CDK Commands Overview

Bootstrapping CDK Stack

Developing Our AWS CDK App–Part 1

Deploying Our AWS CDK App - Part 2

Modifying Our AWS CDK App

Deploying Our Modified AWS CDK App

Don't Forget - Destroying Our AWS CDK App

CDK Template Application Types

CDK sample-app Template

API Gateway-Lambda Synchronous RESTful Microservices with CDK

Introduction to the Section

Create a New Project for API Gateway-Lambda Synchronous Microservices with CDK

Developing Lambda Handler Code

Developing Infrastructure with CDK - Create Lambda Function and API Gateway – Part 1

Testing Infrastructure with CDK

Developing Infrastructure with CDK - Create Lambda Function and API Gateway – Part 2

Testing Infrastructure with CDK

Don't Forget - Destroying Our AWS CDK App

Creating Our E-Commerce Serverless Microservices Project with CDK

Introduction to the Section

Create a New CDK Project for Our E-Commerce Serverless Microservices Project

Understanding Our E-Commerce Domain

Understand E-Commerce Domain - Use Cases - Functional Requirement

Identifying and Decomposing Microservices for E-Commerce Domain

Code Structure of E-Commerce Serverless Microservices Project in CDK

Introduction to the Section

Monorepo - What Is Monorepo and How Can We Use Monorepo?

Code Structure for Our Application Architecture with CDK

IaC Development with AWS CDK for Our Application Architecture

Writing L3 Constructs and Construct Tree on AWS CDK

AWS CDK (IaC) Versus AWS SDK (Microservices)

Creating Product Microservices Serverless CRUD REST API Infrastructure with CDK

Introduction to the Section

Creating DynamoDB Database for Product Microservices with AWS CDK

How to Know AWS CDK Construct Classes and Write Better IaC with AWS CDK

Creating Lambda Function for Product Microservices with AWS CDK

Implement Lambda Function Code for Product Microservices

Creating API Gateway for Product Microservices with AWS CDK

Deploy and Testing Serverless Product Microservices Sync Flow – Part 1

Prerequisites 6 - Docker Desktop - Bundling Lambda Function with Libraries

Deploying and Testing Serverless Product Microservices Sync Flow – Part 2

Prerequisites 7 - Postman - Test and Manage API Gateway API Methods

Testing Product Microservices Sync Flow; API Gateway - Lambda - DynamoDB

Don't Forget - Destroying Our AWS CDK App

Developing Product Lambda Microservices CRUD Functions with AWS SDK

Introduction to the Section

AWS CDK (IaC) Versus AWS SDK (Microservices)

AWS SDK for JavaScript Version 3 and Lambda Interactions

Start Developing Product Lambda Microservice - Install npm Package - @aws-sdk

Developing Product Lambda Microservice with DynamoDB Client – AWS SDK for JS v3

AWS API Gateway Trigger AWS Lambda with API Gateway Proxy Event (REST API)

Developing Product Lambda Microservice with DynamoDB Client - AWS SDK for JS v3

Understanding DynamoDB Interactions - Working with Items and Attributes

Developing getProduct Methods for Product Lambda Microservice with DynamoDB

Developing getAllProducts Methods for Product Lambda Microservice with DynamoDB

Developing createProduct CRUD Methods for Product Lambda Microservice with Dyndb

Using uuid Library When Creating Product Item in DynamoDB

Developing deleteProduct CRUD Methods for Product Lambda Microservice with Dyndb

Developing updateProduct CRUD Methods for Product Lambda Microservice with Dyndb

Developing DynamoDB Query and Scan Operations for Product Lambda Microservice

Developing Return Response of Product Lambda Microservice and Manage Switch Code

Overview Product Lambda Microservice Developments

Deploy and Test Serverless Product Microservices Sync Flow

Create Postman Collection to Manage Product ApiGateway APIs

Testing Product Microservices Sync Flow; API Gateway - Lambda - DynamoDB

Environment Variable of Postman Collection - Best Practice Provisioned API URLs

Don't Forget - Destroying Our AWS CDK App

Organize Infrastructure Code with Creating Solution Constructs on AWS CDK

Introduction - CDK Code Refactoring with Constructs -Creating Solution Construct

Create Database Infrastructure Solution Construct for Our E-Commerce Serverless App

Create Microservices Lambda Infrastructure Solution Construct for Our E-Commerce App

Create API Gateway Infrastructure Solution Construct for Our E-Commerce Serverless App

Deploying and Testing Serverless Product Microservices Sync Flow

Don't Forget - Destroying Our AWS CDK App

Creating Basket Microservices Infrastructure with AWS CDK – Add to Basket Case

Introduction to the Section

Analyzing Basket Microservices Use Cases for Our E-Commerce Serverless App

Creating DynamoDB Database for Basket Microservices with AWS CDK

Refactoring database.ts Infrastructure File

Creating Lambda Function for Basket Microservices with AWS CDK

Implement Lambda Function Code for Basket Microservices

Creating API Gateway for Basket Microservices with AWS CDK

Deploying and Testing Serverless Basket Microservices AddtoBasket Sync Flow

Set Basket Microservices APIs in Postman Collection and Testing Basket Microserv

Don't Forget - Destroying Our AWS CDK App

Developing Basket Lambda Microservices Functions with AWS SDK

Introduction to the Section

Start to Developing Basket Lambda Microservice - Install npm Package - @aws-sdk

Developing Basket Lambda Microservice with DynamoDB Client - AWS SDK for JS v3 – Part 1

Developing Basket Lambda Microservice with DynamoDB Client - AWS SDK for JS v3 – Part 2

Developing getBasket Methods for Basket Lambda Microservice with DynamoDB Client

Developing getAllBaskets Methods for Basket Lambda Microservice with DynamoDB

Developing createBasket Methods for Basket Lambda Microservice with DynamoDB

Developing deleteBasket CRUD Method for Basket Lambda Microservice with DynamoDB

Overview Basket Lambda Microservice Developments

Deploy and Test Serverless Basket Microservices Sync Flow

Testing Serverless Basket Microservices Add or Remove Basket Sync Flow

Don't Forget - Destroying Our AWS CDK App

AWS EventBridge for Decouple Microservices with Event-Driven Architecture

Introduction to the Section

Asynchronous Event Sources - Lambda Invocation Types

What Is Amazon EventBridge?

Benefits of Amazon EventBridge

How Amazon EventBridge Works?

Amazon EventBridge Core Concepts - Events - Event Buses - Rules - Targets

Serverless Pattern: Fan-Out and Message Filtering with Publish/Subscribe Pattern

Using AWS Lambda with Other Services - Amazon EventBridge

Amazon EventBridge Walkthrough with AWS Management Console

Creating AWS EventBridge EventBus Infrastructure with AWS CDK – Checkout Basket

Introduction to the Section

Analyzing AWS EventBridge and Checkout Basket Async Flow Use Cases for Decouple

Creating AWS EventBridge for Decoupling Microservices with AWS CDK

Creating Custom EventBus Construct for AWS EventBridge with AWS CDK

Using Custom EventBus Construct in Main Stack with AWS CDK

Creating Ordering Microservices Infrastructure with AWS CDK

Introduction to the Section

Analyzing Ordering Microservices Use Cases for Our E-Commerce Serverless App

Creating DynamoDB Database for Ordering Microservices with AWS CDK

Creating Lambda Function for Ordering Microservices with AWS CDK

Implement Lambda Function Code for Ordering Microservices

Creating API Gateway for Ordering Microservices with AWS CDK

Fix Custom EventBus Target Function Parameter Error

Deploying and Testing Serverless Ordering Microservices with AWS EventBridge Custom

Test Custom Event Bus of AWS EventBridge Using Put-Event Method

Set Ordering Microservices APIs in Postman Collection and Testing Ordering MS

Don't Forget - Destroying Our AWS CDK App

Develop Checkout Basket for Send Event to AWS EventBridge from Basket with SDK

Introduction to the Section

Start Developing Checkout Basket Function - Install npm Package - @aws-sdk

Developing Checkout Basket Function with EventBridge Client - AWS SDK for JS v3

Analyzing Checkout Basket Function in Basket Microservices

Breakdown Methods to Checkout Basket Function with EventBridge Client - AWS SDK

Developing "getBasket" of Checkout Basket Function with EventBridge Client

Developing "prepareOrderPayload" of Checkout Basket Function with EventBridge

Developing "publishCheckoutBasketEvent" of Checkout Basket Function with EventBrg

Set Environment Variables for EventBridge Entry Parameters When Publish Checkout

Developing "deleteBasket" of Checkout Basket Function with EventBridge Client

Deploying and Testing Serverless Basket Microservices CheckoutBasket EventBridge

Testing Serverless Basket Microservices CheckoutBasket EventBridge Async Flow

Don't Forget - Destroying Our AWS CDK App

Develop Ordering Microservice Consume Checkout Event from AWS EventBridge with SDK

Introduction to the Section

Start Developing Ordering Lambda Microservice - Install npm Package -@aws-sdk

Developing Ordering Lambda Microservice with DynamoDB Client - AWS SDK for JS v3

Catch and Process Async EventBridge Invocation and Sync API Gateway Invocation

Developing Event Bridge Async Invocation of Ordering Lambda Microservice

Developing Ordering Microservice Sync Invocation from API Gateway with AWS SDK

Introduction to the Section

Developing Ordering Lambda Microservice Sync Invocation from API Gateway

Developing getOrder Methods for Ordering Lambda Microservice with DynamoDB Client

Developing getAllOrders Methods for Ordering Lambda Microservice with DynamoDB

E2E Testing Basket and Ordering Microservices Sync and Async Invocations

Introduction to the Section

Testing Serverless Basket Microservices CheckoutBasket EventBridge Async Flow

Testing Ordering Microservices API Gateway Sync Flow

Don't Forget - Destroying Our AWS CDK App

AWS SQS for Event-Driven Architecture with Queues

Introduction to the Section

Polling Events and Event Source Mappings - Lambda Invocation Types

What Is Amazon SQS?

Benefits of Amazon SQS

Amazon SQS Architecture and How SQS Works - The Lifecycle of an Amazon SQS Queue

Amazon SQS Visibility Timeout

Amazon SQS Short and Long Polling

Amazon SQS Dead-Letter Queues

Amazon SQS Queue Types - Standard Queues and FIFO Queues

Serverless Pattern: Topic-Queue Chaining and Load Balancing Pattern

Using AWS Lambda with Other Services - Amazon SQS

AWS SQS Walkthrough Step-by-Step Tutorial over Console

Creating AWS SQS Queue Infrastructure with AWS CDK – Polling Checkout Basket

Introduction to the Section

Analyzing AWS SQS and Polling Checkout Basket Event with Event Source Mappings

Creating AWS SQS with AWS CDK

Creating Custom Queue Construct for AWS SQS with AWS CDK

Using Custom Queue Construct in Main Stack with AWS CDK

Change Target Service of AWS Event Bridge Custom EventBus

Developing AWS SQS Event Source Mapping Polling Invocation from Ordering with SDK

Introduction to the Section

How Lambda Function Event Source Mapping to AWS SQS for Polling Lambda Invocation

Catch and Process SQS Polling Invocation in Ordering Lambda Microservice

Developing SQS Event Source Mapping Polling Invocation of Ordering Lambda MS

E2E Testing Basket and Ordering Microservices Event Source Mapping Polling

E2E Testing Basket and Ordering Microservices Event Source Mapping Polling Invoc

Testing Serverless Basket Microservices CheckoutBasket EventBridge Async Flow

Testing Ordering Microservices API Gateway Sync Flow

Don't Forget - Destroying Our AWS CDK App

What Next – AWS Step Functions for Orchestration Order Fulfilment

AWS Step Functions for Orchestration Order Fulfilment with Saga Pattern

Thanks

Thanks and Conclusion

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Chapter 24

Creating AWS EventBridge EventBus Infrastructure with AWS CDK – Checkout Basket

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Section 4

Creating Custom EventBus Construct for AWS EventBridge with AWS CDK

This video explains creating custom EventBus construct for AWS EventBridge with AWS CDK.