Tags: containers

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Kenzan kr8sswordz
In the final part of this series, we will set up CI/CD hooks for the Kr8sswordz Puzzle app.

Set Up CI/CD for a Distributed Crossword Puzzle App on Kubernetes (Part 4)

Part 3 had us running our Kr8sswordz Puzzle app, spinning up multiple instances for a load test, and watching Kubernetes gracefully balance numerous requests across the cluster. Though we set up Jenkins for use with our Hello-Kenzan app in Part 2, we have yet to set up CI/CD hooks for the...
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How To Install and Use Docker Compose on CentOS 7

Docker Compose is a tool that allows you to define and run multi-container Docker applications. With Compose, you define the application’s services, networks and volumes in a single YAML file, then spin your application with a single command. Compose can be used for different purposes such as...
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crossword app
In this third installment of our series, we get to the main event: running our Kr8sswordz Puzzle application.

Run and Scale a Distributed Crossword Puzzle App with CI/CD on Kubernetes (Part 3)

In Part 2 of our series, we deployed a Jenkins pod into our Kubernetes cluster, and used Jenkins to set up a CI/CD pipeline that automated building and deploying our containerized Hello-Kenzan application in Kubernetes. In Part 3, we are going to set aside the Hello-Kenzan application and get to...
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Kenzan pipeline
Part 2 of this series lays the last bit of infrastructure needed to run our Kr8sswordz Puzzle application.

Set Up a CI/CD Pipeline with a Jenkins Pod in Kubernetes (Part 2)

In Part 1 of our series, we got our local Kubernetes cluster up and running with Docker, Minikube, and kubectl. We set up an image repository, and tried building, pushing, and deploying a container image with code changes we made to the Hello-Kenzan app. It’s now time to automate this process. In...
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Kubernetes
In this tutorial series, we show how easy it is to set up a fully-containerized application stack in Kubernetes with a simple CI/CD pipeline to manage the deployments.

Set Up a CI/CD Pipeline with Kubernetes Part 1: Overview

What’s New? We’ve updated the four parts of this blog series and versioned the code along with it to include the following new technology components. Jenkins Plugin Kubernetes Continuous Deploy has  been added to deployments. https://plugins.jenkins.io/kubernetes-cd Kubernetes RBAC and...
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​IBM Mainframe Containers Grow More Secure

Everything old is new again. In the 1960s, IBM's OS/650 mainframe operating system had two modes, MFT and MVT, in which process got its own address space and couldn't interface with others processes running parallel with it. This was the ancestor to both virtual machines (VM) and containers. Fast...
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Keeping the Software in Docker Containers Up to Date

Docker has radically changed the way admins roll out their software in many companies. However, regular updates are still needed. How does this work most effectively with containers? From an admin's point of view, Docker containers have much to recommend them: They can be operated with reduced...
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A New Method of Containment: IBM Nabla Containers

By James Bottomley In the previous post about Containers and Cloud Security, I noted that most of the tenants of a Cloud Service Provider (CSP) could safely not worry about the Horizontal Attack Profile (HAP) and leave the CSP to manage the risk.  However, there is a small category of jobs (mostly...
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Kubernetes 1.12 Improves Cloud-Native Security With TLS Bootstrap

The third major release of the open-source Kubernetes container orchestration system in 2018 is now out, providing users with a stable release of a key security feature that has been in development for two years, while previewing a new sandboxing isolation capability. On Sept. 27, the Cloud Native...
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3 Docker Compose Features for Improving Team Development Workflow

A developer today is bombarded with a plethora of tools that cover every possible problem you might have—but, selecting which tools to use is The New Problem. Even in container-land, we're swimming in an ocean of tool choices, most of which didn't exist a few years ago. I'm here to help. I make a...
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