DevOps
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Docker Environment Variables Example
When we create a Docker container, sometimes, we have the need of passing “arguments” to it, typically, port numbers for…
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Continuous Deployment of Docker Apps to Kubernetes
In the first post of this series, we introduced using Kubernetes for deployments. In this post, we’ll get started with…
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Docker Remove Container Example
This example will show how to remove Docker containers, that is, instances of images. For this, we will be using…
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Using Kubernetes for Deployments
Let’s learn how to set up continuous deployment to Kubernetes for your Docker apps. Specifically, we’re going to look at…
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Docker Start Container Example
A container, in Docker terminology, is an instance of an image. A typical simile used for this, is the classes…
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Container Image Immutability and the Power of Metadata
One of the principles of Docker containers is that an image is immutable — once built, it’s unchangeable, and if…
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Docker Storage: An Introduction
There are lots of places inside Docker (both at the engine level and container level) that use or work with…
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Turning Your App into Separate Containers for Better CI/CD
Guess how long the test and build process is for my most recent project? Twenty minutes. I’m not kidding. It…
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Docker List Containers Example
This example will show you how to list containers with Docker, one of the most popular software of the moment.…
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