Microservices and Containers

<!--[if gte mso 9]><xml> </xml><![endif]--> <!--[if gte mso 9]><xml> Normal 0 false false false EN-US X-NONE X-NONE </xml><![endif]--> <!--[if gte mso 9]><xml> </xml><![endif]--> <!--[if gte mso 10]> <![endif]--> <p style="margin:0px;"></p> <p style="margin:0px;">Preface xiii</p> <p style="margin:0px;">Acknowledgments xv</p> <p style="margin:0px;">About the Author xvii</p> <p style="margin:0px;"></p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;"></p> <p style="margin:0px;">Part I: Microservices 1</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 1: An Introduction to Microservices 3</p> <p style="margin:0px;"></p> <p style="margin:0px;">What Are Microservices? 3</p> <p style="margin:0px;">Modular Architecture 8</p> <p style="margin:0px;">Other Advantages of Microservices 9</p> <p style="margin:0px;">Disadvantages of Microservices 11</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 2: Switching to Microservices 13</p> <p style="margin:0px;">Fatigues and Attributes 14</p> <p style="margin:0px;">Learning Curve for the Organization 15</p> <p style="margin:0px;">Business Case for Microservices 17</p> <p style="margin:0px;">Cost Components 18</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 3: Interprocess Communication 23</p> <p style="margin:0px;">Types of Interactions 23</p> <p style="margin:0px;">Preparing to Write Web Services 24</p> <p style="margin:0px;">Microservice Maintenance 25</p> <p style="margin:0px;">Discovery Service 26</p> <p style="margin:0px;">Putting It All Together 28</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 4: Migrating and Implementing Microservices 33</p> <p style="margin:0px;">The Need for Transition 33</p> <p style="margin:0px;">Creating a New Application with Microservices 35</p> <p style="margin:0px;">Migrating a Monolithic Application to Microservices 40</p> <p style="margin:0px;">A Hybrid Approach 45</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;"></p> <p style="margin:0px;">Part II: Containers 47</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 5: Docker Containers 49</p> <p style="margin:0px;"></p> <p style="margin:0px;">Virtual Machines 50</p> <p style="margin:0px;">Containers 52</p> <p style="margin:0px;">Docker Architecture and Components 54</p> <p style="margin:0px;">The Power of Docker: A Simple Example 57</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 6: Docker Installation 61</p> <p style="margin:0px;">Installing Docker on Mac OS X 61</p> <p style="margin:0px;">Installing Docker on Windows 66</p> <p style="margin:0px;">Installing Docker on Ubuntu Linux 68</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 7: Docker Interface 73</p> <p style="margin:0px;">Key Docker Commands 73</p> <p style="margin:0px;">Dockerfile 95</p> <p style="margin:0px;">Docker Compose 100</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 8: Containers Networking 105</p> <p style="margin:0px;">Key Linux Concepts 105</p> <p style="margin:0px;">Linking 106</p> <p style="margin:0px;">Default Options 110</p> <p style="margin:0px;">Custom Networks 116</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 9: Container Orchestration 123</p> <p style="margin:0px;">Kubernetes 123</p> <p style="margin:0px;">Apache Mesos and Marathon 129</p> <p style="margin:0px;">Docker Swarm 132</p> <p style="margin:0px;">Service Discovery 136</p> <p style="margin:0px;">Service Registry 139</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 10: Containers Management 143</p> <p style="margin:0px;">Monitoring 143</p> <p style="margin:0px;">Logging 144</p> <p style="margin:0px;">Metrics Collection 147</p> <p style="margin:0px;">Cluster-wide Monitoring Tools 150</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;"></p> <p style="margin:0px;">Part III: Hands-On Project—Putting Learning into Practice 169</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 11: Case Study: Monolithic Helpdesk Application 171</p> <p style="margin:0px;"></p> <p style="margin:0px;">Helpdesk Application Overview 171</p> <p style="margin:0px;">Application Architecture 172</p> <p style="margin:0px;">Building the Application 190</p> <p style="margin:0px;">New Requirements and Bug Fixes 200</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 12: Case Study: Migration to Microservices 203</p> <p style="margin:0px;">Planning for Migration 203</p> <p style="margin:0px;">Converting to Microservices 207</p> <p style="margin:0px;">Application Build and Deployment 212</p> <p style="margin:0px;">New Requirements and Bug Fixes 217</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Chapter 13: Case Study: Containerizing a Helpdesk Application 221</p> <p style="margin:0px;">Containerizing Microservices 221</p> <p style="margin:0px;">Deploying the Catalog Microservice 235</p> <p style="margin:0px;">Updating the Monolithic Application 246</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Conclusion 247</p> <p style="margin:0px;">What Is DevOps? 247</p> <p style="margin:0px;">Only the Beginning 250</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Appendix A: Helpdesk Application Flow 251</p> <p style="margin:0px;">Administrator Flows 252</p> <p style="margin:0px;">Customer Flows 255</p> <p style="margin:0px;">Support Desk Engineer Flows 260</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Appendix B: Installing the Solr Search Engine 263</p> <p style="margin:0px;">Prerequisites 263</p> <p style="margin:0px;">Installation Steps 263</p> <p style="margin:0px;">Configuring Solr for Simple Data Import 265</p> <p style="margin:0px;">&nbsp;</p> <p style="margin:0px;">Index 267</p>