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Microservices with Docker on Microsoft Azure (Web Edition and Content Update Program)

Microservices with Docker on Microsoft Azure (Web Edition and Content Update Program)

Web Edition

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  • A Web Edition is an online learning product that you view in your web browser while connected to the Internet. Some Web Editions include additional interactive features, such as videos, quizzes, or live code editing. Read the product description for more details. A Web Edition will be accessible from your Account page after purchase.

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Description

  • Copyright 2016
  • Edition: 1st
  • Web Edition
  • ISBN-10: 0-13-464703-3
  • ISBN-13: 978-0-13-464703-6

Web Edition + Content Update Program

This Web Edition is available for free with the purchase of a Microservices with Docker on Microsoft Azure Book or eBook. A Web Edition is an electronic version of the book, which can be accessed with any Internet connection from your www.informit.com account. Web Editions cannot be viewed on an eReader. To view on an eReader, please purchase an eBook.

Microservice-based applications enable unprecedented agility and ease of management, and Docker containers are ideal for building them. Microsoft® Azure offers all the foundational technology and higher-level services you need to develop and run any microservices application. Microservices with Docker on Microsoft Azure brings together essential knowledge for creating these applications from the ground up, or incrementally deconstructing monolithic applications over time.

The authors draw on their pioneering experience helping to develop Azure’s microservices features and collaborating with Microsoft product teams who’ve relied on microservices architectures for years. They illuminate the benefits and challenges of microservices development and share best practices all developers and architects should know.

You’ll gain hands-on expertise through a detailed sample application, downloadable at github.com/flakio/flakio.github.io. Step by step, you’ll walk through working with services written in Node.js, Go, and ASP.NET 5, using diverse data stores (mysql, elasticsearch, block storage). The authors guide you through using Docker Hub as a service registry, and Microsoft Azure Container service for cluster management and service orchestration.

Coverage includes:

  • Recognizing how microservices architectures are different, and when they make sense
  • Understanding Docker containers in the context of microservices architectures
  • Building, pulling, and layering Docker images
  • Working with Docker volumes, containers, images, tags, and logs
  • Using Docker Swarm, Docker Compose, and Docker Networks
  • Creating Docker hosts using the Azure portal, Azure Resource Manager, the command line, docker-machine, or locally via Docker toolbox
  • Establishing development and DevOps environments to support microservices applications
  • Making the most of Docker’s continuous delivery options
  • Using Azure’s cluster and container orchestration capabilities to operate and scale containerized microservices applications with maximum resilience
  • Monitoring microservices applications with Azure Diagnostics, Visual Studio Application Insights, and Microsoft Operations Management Suite
  • Developing microservices applications faster and more effectively with Azure Service Fabric
In addition, this book is part of InformIT’s exciting new Content Update Program, which provides content updates for major technology improvements! As significant updates are made to Docker and Azure, sections of this book will be updated or new sections will be added to match the updates to the technologies. As updates become available, they will be delivered to you via a free Web Edition of this book, which can be accessed with any Internet connection. To learn more, visit informit.com/cup.

How to access the Web Edition: Follow the instructions in the book to learn how to register your book to access the FREE Web Edition.

Sample Content

Table of Contents

Foreword     xi
Preface     xiii

Chapter 1  Microservices     1

What are Microservices?     2
    Autonomous Services     4
    Small Services     5
Benefits of Microservices     6
    Independent Deployments     6
    Continuous Innovation    8
    Improved Scale and Resource Utilization    9
    Technology Diversity     10
    Small Focused Teams     12
    Fault Isolation     12
Challenges     13
    Complexity     14
    Network Congestion and Latency     14
    Data Consistency     15
    Testing     16
    Integration and Versioning     17
    Service Discovery and Routing     17
    Monitoring and Logging     18
    Skillset and Experience     18
    Uptime Service Level Agreement     18
Best Practices     19
    Encapsulation     20
    DevOps Principles and Culture     21
    Automation     22
    Monitoring     23
    Fault Tolerance     23
Summary     26
Chapter 2  Containers on Azure Basics     29
VMs, Containers, and Processes     29
    When Would We Use a Container Over a Virtual Machine or a Process?     30
Containers on Azure     34
Creating an Azure VM with Docker     35
    Generating an SSH Public Key on Windows     37
    Generating an SSH Public Key on Mac OS X     39
    Choosing a Virtual Machine Image     40
    Connecting to the VM Using SSH and Git Bash on Windows     44
    Connecting to the VM Using SSH and Git Bash on Mac OS X     46
    Docker Container Basics     47
Summary     68
Chapter 3  Designing the Application     69
Determining Where to Start     70
    Coarse-Grained Services     70
    Starting with Microservices     72
Defining Services and Interfaces     73
    Decomposing the Application     74
    Service Design     76
Service to Service Communication    78
    Synchronous Request/Response     78
    Asynchronous Messaging     79
Monolith to Microservices     80
Flak.io e-Commerce Sample     83
    Flak.io     84
    Requirements     84
    Architecture Overview     85
    Considerations     86
Summary     87
Chapter 4  Setting Up Your Development Environment     89
Using Docker for Local Development    89
    Docker for Local Development    89
    Docker for Production Validation    90
    Docker as a Build/Test Host     90
Developer Configurations     90
    Local Development     90
    Local and Cloud     91
    Cloud Only     91
    Managing Docker Authentication    91
    Choosing a Base Image    92
    Build a Hierarchy of Images     95
Setting up your Local Dev Environment     101
    Install Docker Tools     101
    Install Developer Tools     102
    Install Windows Utilities     102
    Install OSX Utilities     103
Docker for Local Development     103
    Local Development Settings     103
    Starting your Local Docker Host     104
    Connecting to a Docker Host     105
    Cloning Samples     105
    Enabling Live Reload in a Docker Container     107
    Volumes     108
    Preparing your Microservice for Production     110
Docker Compose     112
Debugging Docker Issues     116
    Unable to Connect to the Docker Host     116
    Containers That Won’t Start     117
    Diagnosing a Running Container     118
Summary     118
Chapter 5  Service Orchestration and Connectivity     119
Orchestration     121
Provisioning     123
    Infrastructure as Code     123
    Azure Resource Manager     126
    Azure Container Service     132
    Multivendor Provisioning     135
Scheduling and Cluster Management     136
    Challenges     136
    A Scheduling Solution     138
    Docker Swarm     141
    Kubernetes     144
    Apache Mesos     147
    Using Apache Mesos to Run Diverse Workloads     150
Service Discovery     150
    Service Registration     152
    Service Lookup     153
    Service Registry     155
    Technologies     156
Other Technologies     158
Application/API Gateway     159
Overlay Networking     161
Summary     165
Chapter 6  DevOps and Continuous Delivery     167
DevOps Overview     167
    Modern DevOps     169
    DevOps Culture     170
Continuous Integration, Delivery, and Deployment     171
    Creating Environments in Azure     173
Deploying a Microservice with Continuous Delivery     182
    Application Configuration Changes Across Different Environments     184
    Continuous Integration     185
    Testing in a QA Environment     192
    Deploying to Staging     195
    Testing in Production     196
Choosing a Continuous Delivery Tool     200
    On-Premises or Hosted?     200
    On-Premises or Hosted Build Agents?     201
    Best-of-breed or Integrated Solution?     201
    Does the Tool Provide the Extensibility You Need?     202
    Comparison of Jenkins, Team Services, Bamboo, and Tutum     205
    Docker Cloud (Formerly Called Tutum)     206
Summary     207
Chapter 7  Monitoring     209
Monitoring the Host Machine     210
Monitoring Containers     212
Monitoring Services     216
Monitoring Solutions     222
    Azure Diagnostics     222
    Application Insights     227
    Operations Management Suite (OMS)     231
    Recommended Solutions by Docker     232
Summary     232
Chapter 8  Azure Service Fabric     233
Service Fabric Overview     234
    Service Fabric Subsystems     234
Cluster Management     236
Resource Scheduling     240
    Service Fabric Application     240
    Custom Applications (Existing Applications)     242
    Container Integration     243
Service Discovery     244
Programming Model     244
    Stateless Services     244
    Stateful Services     245
    Reliable Actors     247
    Reliable Services     249
Application Lifecycle     251
    Service Updates     251
    Application Upgrades     252
    Testability Framework     253
Summary     254
Appendix A  ASP.NET Core 1.0 and Microservices     255
A New Version of ASP.NET     255
    Getting Started     256
    Choosing the Right ASP.NET Docker Image     262
    Visual Studio 2015 Tooling     263
    ASP.NET Microservices Best Practices     265
Index     275

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