Download Deploying Rails with Docker, Kubernetes and ECS by Pablo Acuña PDF

By Pablo Acuña

This concise teaches you the way to exploit the ability of Docker and Kubernetes to set up your Rails purposes simply and successfully. Docker and Kubernetes are expanding in recognition each day, yet what so that it will leverage their advantages on your Rails program? this is often the booklet you need.

Deploying Rails with Docker, Kubernetes and ECS shows you the way to establish the undertaking, push it to DockerHub, deal with prone and organize a good non-stop integration setting. each notion is obviously defined along a whole Ruby on Rails software deployment. You’ll additionally tips on how to set up through Docker utilizing Amazon EC2 box Service.

What you are going to Learn

  • How to create a Rails API software utilizing Rails five and PostgreSQL, and Dockerize it
  • How to jot down and try templates to run the applying with Kubernetes
  • How to create a Kubernetes cluster in Amazon net prone and run your
  • How to examine and troubleshoot difficulties within the cluster
  • How to automatize the the entire deployment strategy with Jenkins

Who This booklet Is For
This publication is for somebody who desires to know how to successfully install a Rails program utilizing Docker and Kubernetes. it is very important comprehend Rails and feature simple wisdom of what Docker and Kubernetes are used for.

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Extra info for Deploying Rails with Docker, Kubernetes and ECS

Sample text

45 Chapter 3 ■ Kubernetes Let’s check the logs for one of those pods. sh... sh... local... *** Booting runit daemon... cpp:1291 ]: Starting Passenger watch\ dog... cpp:982 ]: Starting Passenger core... cpp:235 ]: Passenger core running in mul\ ti-application mode. cpp:529 ]: Starting Passenger UstRo\ uter... cpp:342 ]: Passenger UstRouter onli\ ne, PID 38 So it seems the passenger process started with no errors. If we want to see our application in action, there’s a very nice Minikube command that will takes us to our service.

This deployment generates a service, a replica set, and a pod. If you want to see the events for the pod, you can run $ kubectl describe Pod postgres And you’ll have a long output that describes the pod specifications and also the events in case something goes wrong. containers{postgres} Normal ker id b1c664c98251 As you can see, all the events are pretty standard. The image is pulled from DockerHub and the container is launched using the specification we gave it. 42 Chapter 3 ■ Kubernetes Now that we have our database running, let’s launch the setup job that’s going to run the migrations for the application.

You can use the online documentation or use the help command on your console. If at any point you have doubts about a command that we use throughout this book, just jump to its documentation to get more information. Summary In this chapter, we prepared the essentials tools we’ll need to run our orchestration frameworks. Since this book is focused on Amazon Web Services, we need to have certain tools available on our system and later on our continuous integration (CI) server. Now you should know how to install the AWS CLI and also the basics on how to manipulate the output for the AWS CLI.

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