![]() If you work in the datacenter or the cloud you'll need to start working with them to see for yourself where you think containers will fit into your plans. Will containers with Docker be the next great revolution in virtualization and the cloud? Or, will Docker prove to be just another path for datacenter and cloud architects to consider as they strive to get ever more programs running on the same hardware? This is the year we're going to find out. PaaS Adoption: Docker helps with PaaS but it does not solve neither the "you have to model your apps for a PaaS" nor the "PaaS needs scalable data services" problems.There’s an inflection point between separation of concerns and sprawl. Container sprawl: Breaking deployments into more functional discrete parts is smart, but that means we have more parts to manage.Install using the repository Set up the repository. For Compose standalone, see Install Compose Standalone. Note These instructions assume you already have Docker Engine and Docker CLI installed and now want to install the Compose plugin. Packaging is still tricky: Creating a locked box helps solve part of downstream problem (you know what you have) but not the upstream problem (you don’t know what you depend on). Set up Docker’s repository on your Linux system."But," he continued, "I’m concerned that we’re expecting too many silver bullets." Specifically: Reducing the virtualization overhead for DevOps developers testing multi-node deployments.Reducing the virtualization overhead of tenant isolation (containers are lighter).Helping Linux distros keep updating the kernel without breaking user space (RHEL 7 anyone?).Creating a portable and consistent environment for dev, test and delivery.Hirschfeld believes that Docker can be potent, even disruptive, in:
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