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Microservices with Azure

By : Rai, Namit Tanasseri

3 (2)

Microservices with Azure

3 (2)

By: Rai, Namit Tanasseri

Overview of this book

Microsoft Azure is rapidly evolving and is widely used as a platform on which you can build Microservices that can be deployed on-premise and on-cloud heterogeneous environments through Microsoft Azure Service Fabric. This book will help you understand the concepts of Microservice application architecture and build highly maintainable and scalable enterprise-grade applications using the various services in Microsoft Azure Service Fabric. We will begin by understanding the intricacies of the Microservices architecture and its advantages over the monolithic architecture and Service Oriented Architecture (SOA) principles. We will present various scenarios where Microservices should be used and walk you through the architectures of Microservice-based applications. Next, you will take an in-depth look at Microsoft Azure Service Fabric, which is the best–in-class platform for building Microservices. You will explore how to develop and deploy sample applications on Microsoft Azure Service Fabric to gain a thorough understanding of it. Building Microservice-based application is complicated. Therefore, we will take you through several design patterns that solve the various challenges associated with realizing the Microservices architecture in enterprise applications. Each pattern will be clearly illustrated with examples that you can keep referring to when designing applications. Finally, you will be introduced to advanced topics such as Serverless computing and DevOps using Service Fabric, to help you undertake your next venture with confidence.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Microservices – Getting to Know the Buzzword

Microservices – Getting to Know the Buzzword

What are Microservices?

The SOA principle

The Microservices solution

Inter-Microservice communication

Architecture of Microservices-based systems

Conway's law

Summary

Microsoft Azure Platform and Services Primer

Microsoft Azure Platform and Services Primer

PaaS for Microservices

Microsoft Azure – the choice of a hosting platform

Summary

Understanding Azure Service Fabric

Understanding Azure Service Fabric

The Service Fabric advantage

Service Fabric as an orchestrator

Architecture of Service Fabric

Deconstructing Service Fabric

Creating a cluster on Azure

Service Fabric Explorer

Preparing your system

Summary

Hands-on with Service Fabric – Guest Executables

Hands-on with Service Fabric – Guest Executables

Service Fabric discovery and communication

Built-in communication API

Deploying a Guest Executable

Deploying a Guest Container

Summary

Hands on with Service Fabric – Reliable Services

Hands on with Service Fabric – Reliable Services

Exploring the Service Fabric Explorer

Stateless Reliable Services

Reliable Services communication

Exploring the application model

Stateful service

Summary

Reliable Actors

Reliable Actors

Actor model

What is an Actor?

Actors in Service Fabric

Actor lifetime

Saving state

Distribution and failover

Actor communication

Asynchronous drivers

Your first Reliable Actors application

Summary

Microservices Architecture Patterns Motivation

Microservices Architecture Patterns Motivation

Creating an architecture

Classification of architectural patterns

Picking up the right architecture pattern

Applying a pattern

Summary

Microservices Architectural Patterns

Microservices Architectural Patterns

Architectural patterns

Service proxy

Service Façade \ API Gateway

Reliable Data Store

Cluster Orchestrator

Auto-scaling

Partitioning

Centralized Diagnostics Service

High Density Deployment

API Gateway

Latency Optimized Load Balancing

Queue Driven Decomposing Strategy

Circuit Breaker

Message Broker for Communication

Compensating Transaction

Rate Limiter

Sagas

Master Data Management

CQRS – Command Query Responsibility Segregation

Event Sourcing

Remindable Actors

Managed Actors

Summary

Securing and Managing Your Microservices

Securing and Managing Your Microservices

Securing the communication channels

Client to node security

Publishing an application to a secured cluster

Managing Service Fabric clusters with Windows PowerShell

Summary

Diagnostics and Monitoring

Diagnostics and Monitoring

Health entities

Health state

Health evaluation

Health reporting

Centralized logging

Collecting logs

Diagnostic extension

Summary

Continuous Integration and Continuous Deployment

Continuous Integration and Continuous Deployment

Continuous Integration

Continuous Delivery

Summary

Serverless Microservices

Serverless Microservices

Before committing to Nanoservices

Building Nanoservices with Azure Functions

Function app templates

Timer function apps

Data processing function apps

Webhook and API function apps

Summary

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The Service Fabric advantage

Now that we understand what Service Fabric is, let's look at the advantages of using it as a platform to host Microservices.

As discussed in the earlier section in this chapter, Service Fabric is a distributed systems platform used to build hyperscalable, reliable, and easily managed applications for the cloud. The following figure mentioned in MSDN, provides a good overview of capabilities of Service Fabric as a hosting platform for Microservices:

Service Fabric features

Apart from the capabilities of Service Fabric to manage the application lifecycle for Microservices, the preceding diagram provides an important aspect of its ability to be deployed across heterogeneous environments. We will talk about this in detail in later sections of this chapter. Let's now dive deeper in to few of the key features of Service Fabric which...

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