Hands-On Security in DevOps

Dockers

The introduction of Docker provides software package delivery and installation with new choices and can be one of the best ways to isolate different applications without using a whole separate OS virtual machine. Software can be packaged into a container by Docker. A container, like a VM image, includes everything needed to run application services such as runtime, system libraries, and settings. The key difference between a virtual machine image and a container is that the container doesn't actually include the whole OS. The container only includes key necessary system libraries and every container shares the same OS kernel during runtime. Therefore, Docker containers can boot up within seconds and use much less memory or far fewer ...