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DevOps

Using Docker Push to Publish Images to Docker Hub

In previous articles, we explored building and running Docker containers locally using custom Dockerfiles. What we don’t explore very often is one of the most useful features of Docker and arguably the feature that has led to Docker’s success: The ability to build a Docker image and upload that image to a Docker repository. The reason I say this has ...

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Creating an Automation Platform on Docker

1. Introduction In today’s era of software development, container orchestration has become one of the most important aspect. In agile software development it is very important for every build that gets executed to go through a cycle of sanitation, before the code can be merged onto the production environment. Thus, it is very important, from an automation perspective, to get ...

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A Developer’s Guide To Docker – A Gentle Introduction

Check out the Okta user management API and never build auth again! Get started in minutes with a free developer account. Register Today! It works on my machine. We’ve all heard it. Most of us have said it. It’s been impossible to get around it… until now. Not only can adding Docker to your development environment solve that issue, but it ...

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10 Things Your CIO Should Know About DevOps [eBook]

Teams that adopt DevOps deploy software 30x more frequently and with 200x shorter lead times. Does your team know what it takes to get results like these? DevOps has already taken the IT world by storm, and it’s continuing to transform the way organizations develop, deploy, monitor, and maintain applications, along with underlying infrastructure. It’s quickly transitioning from a niche ...

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Does Your DevOps Department Need More Attention? [Infographic]

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! There are some big red flags that signify your DevOps department needs an overhaul. Your deployment process seems to take forever. It only work from a few developers’ computers. It’s different for each server you deploy to. Sound familiar? ...

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Understanding Docker’s CMD and ENTRYPOINT Instructions

When creating a Docker container, the goal is generally that anyone could simply execute docker run <containername> and launch the container. In today’s article, we are going to explore two key Dockerfile instructions that enable us to do just that. Let’s explore the differences between the CMD and ENTRYPOINT instructions. On the surface, the CMD and ENTRYPOINT instructions look like ...

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Where Is the Deployment Space Heading?

With all the time I’ve spent of late assessing different deployment options, it seemed pertinent to stop for a moment and see where the deployment space is heading over the next couple of years. However, like any form of crystal ball-gazing, what we see happening in the future is only a prediction about what we think may come — even ...

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Leveraging the dockerignore File to Create Smaller Images

Keeping container image sizes small is one of the most common “best practice” tips out there. There is good reason for this; it’s very simple to let a container with a complex Dockerfile and a large application turn into a large container image. A large container image can eventually become troublesome if left unchecked. When deploying a container into production, ...

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Docker Enables Polyglot Shops

If your infrastructure is Docker based, you’ve already created an environment that isn’t dependent on a single language. Step 2 is realizing why the words “standardize on language y” no longer make sense. A while back, I wrote a piece on how Heroku streamlines a lot of the pain points of microservice architecture. One of the big wins I talked ...

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