Docker containers are meant to be immutable, meaning the code and data they hold never change. Immutability is useful when you want to be sure the code running in production is the same as the code ...

Container-based software development has been a seriously disruptive force in the IT world over the past 12 to 18 months. Be it the use of Java's bytecode interpreter or VMWare's OS images, ...

Sometimes, you only need one container, because all you need is one instance of an app. But sometimes you need cluster of containers that can respond to changes in demand, and that can be upgraded ...

Finding the right DevOps tool can be tricky, because there are a variety of factors to weigh when deciding what solution will work best for your projects. Learn how several features compare between ...

It’s been almost exactly four years since Docker founder Solomon Hykes left the company that kickstarted the container revolution. Docker has gone through its share of ups and downs since then, ...

A microservices application is one that is composed of a series of discrete services, which communicate with one another via an API. Microservices apps are the opposite of monolithic applications. The ...

During this time, the status of DevOps -- which is closely linked to automation -- has continued to evolve. As experienced IT people know, all new technology is hyped. On its launch, the technology ...