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Docker Hello World Example

In this example we will explore different ways of running basic “Hello, World” containers in Docker. 1. Introduction Creating a Docker Hello World container and getting it to work verifies that you have the Docker infrastructure set up properly in your development system.  We will go about this in 4 different ways: Run Docker hello world image provided by Docker ...

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Docker Tutorial for Beginners

In this article we are going to explain the main features of Docker. We are going to briefly explain why containers are necessary, which are the main commands to use and how to use Docker in our integration tests. The following table shows an overview of the whole article:                 Table Of Contents ...

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Docker Build Example

1. Introduction Docker is a tool to avoid the usual headaches of conflicts, dependencies, and inconsistent environments, which is an important problem for distributed applications, where we need to install or upgrade several nodes with the same configuration. Docker is a container manager, which means that is able to create and execute containers that represent specific runtime environments for your ...

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Docker Compose Example

1. Introduction Docker Compose is a tool for defining and running multi-container Docker applications. With Compose, you define in a configuration file the set of docker containers that the application requires a specific machine. Then, using a single command, you create and start all the services in a single host. Docker Compose is especially useful for the following use case ...

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Introduction to Docker for Java Developers – Getting started with Docker

1. Introduction According the official definition of Docker, it is an open platform for building, shipping and running distributed applications. It gives programmers, development teams and operations engineers the common toolbox they need to take advantage of the distributed and networked nature of modern applications. In other words, Docker is a tool to avoid the usual headaches of conflicts, dependencies and inconsistent environments, ...

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