Docker is a popular new technology that lets development teams bundle applications in virtual containers to easily build and deploy them. We’ve previously seen how Docker reduces the complexity of DevOps workflows and encourages the practice of immutable infrastructure, where the entire application, along with its underlying operating system, is recreated and redeployed as a lightweight container for each change to an application, rather than relying on incremental updates. Read more
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The advent of cloud computing has changed the way applications are being built, deployed and hosted. One important development in recent years has been the emergence of DevOps — a discipline at the crossroads between application development and system administration.
Empowered developers have been given a wide new set of tools to enable:
- Application lifecycle management with continuous integration software like Jenkins, Travis CI, CircleCI, and CodeShip;
- Server provisioning with software and metadata using configuration management tools like Chef, Puppet, Salt, and Ansible;
- Hosting applications in the cloud, whether they use an IaaS provider like Amazon Web Services, Google Compute Engine, or Digital Ocean, or a PaaS solution like Heroku, Google App Engine, or any technology-specific offering.