Developing Microservices

Chapter 1. Microservice Development

• What are Microservices?
• Microservices vs Classic SOA
• Principles of Microservices Architecture Design
• Business Domain-Centric Design
• Designing for failure
• Microservices Architecture – Pros
• Microservices Architecture – Cons
• Docker and Microservices
• Microservice Deployment with Docker – Workflow
• Writing Dockerfile
• Kubernetes
• What is OpenShift
• OpenShift Architecture
• Microservices and Various Applications
• Web Applications
• Web Applications – Reference Architecture
• Web Applications – When to use?
• Rich Client Applications
• Rich Client Applications – Reference Architecture
• Rich Client Applications – When to use?
• Rich Internet Applications
• Rich Internet Applications – Reference Architecture
• Rich Internet Applications – When to use?
• Mobile Applications
• Mobile Applications – Reference Architecture
• Mobile Applications – When to use?
• Service Applications
• Service Applications – Reference Architecture
• Service Applications – When to use?
• Single Page Applications
• Single Page Applications – Benefits
• Traditional Enterprise Application Architecture
• Sample Microservices Architecture
• Serverless & Event-driven Microservice – AWS Lambda
• Summary

Chapter 2. REST Services

• Many Flavors of Services
• Understanding REST
• Principles of RESTful Services
• REST Example – Create
• REST Example – Retrieve
• REST Example – Update
• REST Example – Delete
• REST Example – Client Generated ID
• SOAP Equivalent Examples
• REST Example – JSON
• REST vs SOAP Communication
• More REST vs SOAP
• REST vs SOAP Summary
• RESTful Services Usage
• Additional Resources
• Summary

Chapter 3. Advanced Objects and Functionality in JavaScript

• JavaScript Evolution
• Basic Objects
• Constructor Function
• More on the Constructor Function
• Object Properties
• Deleting a Property
• The instanceof Operator
• Object Properties
• Constructor and Instance Objects
• Constructor Level Properties
• Namespace
• Functions Are First-Class Objects
• Closures
• Closure Examples
• Private Variables with Closures
• Immediately Invoked Function Expression (IIFE)
• The Module Pattern
• Module Pattern Example
• Prototype
• Inheritance in JavaScript
• The Prototype Chain
• Traversing Prototype Property Hierarchy
• Prototype Chain
• Inheritance Using Prototype
• Extending Inherited Behavior
• Enhancing Constructors
• Improving Constructor Performance
• Inheritance with Object.create
• The hasOwnProperty Method
• Summary

Chapter 4. React Overview

• What is React?
• What's in a Name?
• React Component Model
• What React Is Not
• What You Will Not Find in React
• Motivation for Creating React
• A React JavaScript Example
• One-Way Data Flow
• JSX
• A JSX Example
• The Virtual (Mock) DOM
• Only Sub-components that Actually Change are Re-Rendered
• React Libraries
• Summary

Chapter 5. Programming with React API

• React Programming Options
• Components vs Elements
• Three Ways to Create a React UI Component
• React API On-Line Documentation
• Setting Up the Libraries
• The ReactDOM Object
• The ReactDOM Object (Cont'd)
• The React Object
• The React.createElement Method
• The ReactElement Object
• The ReactElement Structure
• The React.DOM Object
• The React.PropTypes Object
• The React.Children Object
• The propTypes Object
• Lifecycle Methods (Applied only to ES6 Classes)
• Summary

Chapter 6. Basic Components and JSX

• What is JSX?
• JSX Transpilation to React Code Example
• Running the Transpiled Code
• Babel
• Babel JavaScript Library
• Script Import Skeleton Code
• Playing Around in CodePen
• React Components and Properties (Props)
• Ways to Create UI Components
• Creating a Functional Component Example
• Component Names Must Be Capitalized
• Creating a UI Component with React.createClass()
• The render Method Object
• Creating a UI Component Using ES6 Class Notation
• Using ES6 Classes with React
• Which UI Component Creation Syntax Should I Use?
• Components vs Elements
• Elements Are Immutable
• Properties
• Property Naming Convention
• Properties Default to 'True'
• Spread Attributes (an ES6 Feature)
• Expressions
• Summary

Chapter 7. Introduction to Node.js

• What Is Node.js?
• Application of Node.js
• Installing Node.js and NPM
• "Hello, Node World!"
• How It Works
• Built on JavaScript: Benefits
• Traditional Server-Side I/O Model
• Disadvantages of the Traditional Approach
• Event-Driven, Non-Blocking I/O
• Concurrency
• Using Node Package Manager (NPM)
• Express
• Microservices with Node.js
• The Express Package
• Installing and Using Express
• Defining Routing Rules in Express
• Route Path
• The Response Object
• A Simple Web Service with Express Example
• Composite Services
• Example - Call an API Using a Promise
• Using the callApi() Function
• Summary

Chapter 8. Extending React

• The Need to Extend React
• Redux
• Redux Design Ideas
• React Router
• React Router Code Examples
• Issues With Manual Module Management
• Webpack
• Testing React Apps: ReactTestUtils
• Testing React Apps: Jest
• Testing with Jest and Enzyme
• Summary

Chapter 9. React Component Concepts

• Nesting JSX Elements
• Example of JSX Nesting
• Comments in JSX Code
• JSX Escapes Values
• Event Handling
• Event Handler Example
• Working with Lists of Items
• Keys in Lists
• Example List With Key
• Container vs. Presentational Components
• State
• Types of State Data
• State Hierarchy
• Lift State Up
• Props vs. State
• Pass Down a Function
• Immutability
• Immutability – Why?
• Virtual DOM and State
• Setting state
• Updating Input fields
• Passing Props to Components
• Passing Functions to Components
• Event Binding - DOs
• Event Binding – Don'ts
• Passing Parameters to Event Handlers
• App Development Workflow – 1/3
• App Development Workflow – 2/3
• App Development Workflow – 3/3
• Summary

Chapter 10. Introduction to Spring Boot

• What is Spring Boot?
• Spring Boot Main Features
• Spring Boot on the PaaS
• Understanding Java Annotations
• Spring MVC Annotations
• Example of Spring MVC-based RESTful Web Service
• Spring Booting Your RESTful Web Service
• Spring Boot Skeletal Application Example
• Converting a Spring Boot Application to a WAR File
• Externalized Configuration
• Starters
• The 'pom.xml' File
• Spring Boot Maven Plugin
• HOWTO: Create a Spring Boot Application
• Summary

Chapter 11. Spring MVC

• Spring MVC
• Spring Web Modules
• Spring MVC Components
• DispatcherServlet
• Template Engines
• Spring Boot MVC Example
• Spring MVC Mapping of Requests
• Advanced @RequestMapping
• Composed Request Mappings
• Spring MVC Annotation Controllers
• Controller Handler Method Parameters
• Controller Handler Method Return Types
• View Resolution
• Spring Boot Considerations
• Summary

Chapter 12. Overview of Spring Database Integration

• DAO Support in Spring
• Spring Data Access Modules
• Spring JDBC Module
• Spring ORM Module
• DataAccessException
• @Repository Annotation
• Using DataSources
• DAO Templates
• DAO Templates and Callbacks
• ORM Tool Support in Spring
• Summary

Chapter 13. Using Spring with JPA or Hibernate

• Spring JPA
• Benefits of Using Spring with ORM
• Spring @Repository
• Using JPA with Spring
• Configure Spring Boot JPA EntityManagerFactory
• Application JPA Code
• "Classic" Spring ORM Usage
• Spring JpaTemplate
• Spring JpaCallback
• JpaTemplate Convenience Features
• Spring Boot Considerations
• Spring Data JPA Repositories
• Summary

Chapter 14. Spring REST Services

• REST Services With Spring MVC
• Spring MVC Components
• Spring MVC @RequestMapping with REST
• Working With the Request Body and Response Body
• @RestController Annotation
• Implementing JAX-RS Services and Spring
• JAX-RS Annotations
• Spring Security
• Spring Security Options
• Spring Security Features
• Java Clients Using RestTemplate
• RestTemplate Methods
• Summary

Chapter 15. Spring Security

• Securing Web Applications with Spring Security 3.0
• Spring Security 3.0
• Authentication and Authorization
• Programmatic v Declarative Security
• Getting Spring Security from Maven
• Spring Security Configuration
• Spring Security Configuration Example
• Authentication Manager
• Using Database User Authentication
• LDAP Authentication
• Summary

Chapter 16. Spring JMS

• Spring JMS
• JmsTemplate
• Connection and Destination
• JmsTemplate Configuration
• Transaction Management
• Example Transaction Configuration
• Producer Example
• Consumer Example
• Converting Messages
• Message Listener Containers
• Message-Driven POJO's Async Receiver Example
• Message-Driven POJO's Async Receiver Configuration
• Spring Boot Considerations
• Summary

Chapter 17. Introduction to Couchbase

• What is Couchbase?
• Key Components of Couchbase
• Benefits of Couchbase
• Basics of Data Modeling
• Modeling One-to-many Relationship
• Modeling Many-to-many
• Doing a Query
• About Query Index
• Example MapReduce View
• Summary

Chapter 18. Introduction to Couchbase Programming Using Java

• Getting Started
• Opening a Connection
• Creating Index
• Doing a Query Using MapReduce View
• Doing an N1QL Query
• Retrieve a Document by ID
• Adding a Document
• Updating a Document
• Deleting a Document
• Summary

Chapter 19. Introduction to KAFKA

• Messaging Architectures – What is Messaging?
• Messaging Architectures – Steps to Messaging
• Messaging Architectures – Messaging Models
• What is Kafka?
• What is Kafka? (Contd.)
• Kafka Overview
• Kafka Overview (Contd.)
• Need for Kafka
• Kafka Partitions
• Kafka Architecture
• Core concepts in Kafka
• Kafka Topic
• Kafka Producer
• Kafka Consumer
• Kafka Broker
• Kafka Cluster
• Why Kafka Cluster?
• Sample Multi-Broker Cluster
• Overview of ZooKeeper
• Kafka Cluster & ZooKeeper
• Who Uses Kafka?
• Summary

Chapter 20. Using Apache Kafka

• Installing Apache Kafka
• Configuration Files
• Starting Kafka
• Using Kafka Command Line Client Tools
• Setting up a Multi-Broker Cluster
• Using Multi-Broker Cluster
• Kafka Connect
• Kafka Connect – Configuration Files
• Using Kafka Connect to Import/Export Data
• Creating a Spring Boot Producer
• Adding Kafka dependency to pom.xml
• Defining a Spring Boot Service to Send Message(s)
• Defining a Spring Boot Controller
• Testing the Spring Boot Producer
• Creating a Nodejs Consumer
• Summary

Chapter 21. Introduction to Kubernetes

• What is Kubernetes
• What is a Container
• Container – Uses
• Container – Pros
• Container – Cons
• Composition of a Container
• Control Groups
• Namespaces
• Union Filesystems
• Popular Containerization Software
• Microservices
• Microservices and Containers / Clusters
• Microservices and Orchestration
• Microservices and Infrastructure-as-Code
• Kubernetes Container Networking
• Kubernetes Networking Options
• Kubernetes Networking – Balanced Design
• Summary

Chapter 22. Kubernetes – From the Firehose

• What is Kubernetes?
• Container Orchestration
• Kubernetes Basic Architecture
• Kubernetes Detailed Architecture
• Kubernetes Concepts
• Cluster and Namespace
• Node
• Master
• Pod
• Label
• Annotation
• Label Selector
• Replication Controller and Replica Set
• Service
• Storage Volume
• Secret
• Resource Quota
• Authentication and Authorization
• Routing
• Registry
• Using Docker Registry
• Summary

Chapter 23. Docker Introduction

• What is Docker
• Where Can I Ran Docker?
• Docker and Containerization on Linux
• Linux Kernel Features: cgroups and namespaces
• The Docker-Linux Kernel Interfaces
• Docker Containers vs Traditional Virtualization
• Docker as Platform-as-a-Service
• Docker Integration
• Docker Services
• Docker Application Container Public Repository
• Competing Systems
• Docker Command-line
• Starting, Inspecting, and Stopping Docker Containers
• Summary

Chapter 24. CI/CD with OpenShift, Jenkins, and Blue Ocean

• What is OpenShift
• OpenShift Online
• OpenShift Origin
• OpenShift Architecture
• OpenShift Origin Installation
• OpenShift CLI
• OpenShift CLI (Contd.)
• Jenkins Continuous Integration
• Jenkins Features
• Running Jenkins
• Downloading and Installing Jenkins
• Running Jenkins as a Stand-Alone Application
• Running Jenkins on an Application Server
• Installing Jenkins as a Windows Service
• Different types of Jenkins job
• Configuring Source Code Management(SCM)
• Working with Subversion
• Working with Subversion (cont'd)
• Working with Git
• Build Triggers
• Schedule Build Jobs
• Polling the SCM
• Maven Build Steps
• Jenkins / OpenShift Pipeline
• Jenkins / OpenShift Pipeline Output
• Installing Jenkins Plugins
• The Blue Ocean Plugin
• Blue Ocean Plugin Features
• New modern user experience
• Advanced Pipeline visualizations with built-in failure diagnosis
• Branch and Pull Request awareness
• Personalized View
• OpenShift Pipeline Output
• Creating OpenShift Blue Ocean Pipeline
• Summary

Chapter 25. Operational Readiness

• What is Operational Readiness
• Telemetry
• End-to-end Requirements Traceability
• Log Strategy
• Monitoring Strategy
• Runbooks
• Summary

Chapter 26. Application Modernization

• What is Application Modernization
• Typical App Modernization Projects
• Why Modernization?
• Goals for Application Modernization
• Modernization Process
• Modernization in a Nutshell
• Modernization in a Nutshell - Analyze
• Modernization in a Nutshell - Rationalize
• Modernization in a Nutshell - Modernize
• Modernization in a Nutshell – Supervise
• Twelve-factor Applications
• Twelve Factors, Microservices, and App Modernization
• 12-Factor Microservice Codebase
• 12-Factor Microservice Dependencies
• 12-Factor Microservice Config
• 12-Factor Microservice Backing Services
• 12-Factor Microservice Continuous Delivery
• 12-Factor Microservice Processes
• 12-Factor Microservice Data Isolation
• 12-Factor Microservice Concurrency
• 12-Factor Microservice Disposability
• 12-Factor Microservice Environment Parity
• 12-Factor Microservice Logs
• 12-Factor Microservice Admin Processes
• Monolithic revisited
• Monolithic vs. Microservices
• Maintaining State in App Modernization
• Cloud Service Fabric
• Summary

Chapter 27. Introduction to Feign

• What is Feign
• Feign - Annotations
• Creating a REST client with Feign
• Benefits of using Feign
• Feign – Default Beans
• FeignFeign – Simple Example
• Multiple Interfaces
• Ribbon
• Ribbon Load Balancing Architecture
• Using Ribbon
• Ribbon and Feign
• Hystrix
• Hystrix Dependency
• Using Hystrix
• Summary

Chapter 28. Activiti Workflow

• Business Process Management
• Business Process Model and Notation
• BPMN (Contd.)
• BPMN – Elements
• BPMN 2.0
• What is Activiti
• Activiti – Components
• Activiti – Alternative Modeling GUI
• Activiti – Sample workflow in Activit Process Modeler
• Using Spring Boot with Activiti
• Spring Boot with Activiti – Getting Started
• Spring Boot with Activiti – Simple Application
• Spring Boot with Activiti – Add BPMN 2.0 process definition
• Spring Boot with Activiti – Create a CommandLineRunner
• Spring Boot with Activiti – Create a Bean
• Spring Boot with Activiti – Start the Application
• Summary