Get an in-depth overview of the Docker platform including what it can be used for, the architecture it employs, and its underlying technology.
Containers are the heart of Docker. Each container is an isolated environment, containing everything the application needs to run: code, runtime, system tools, and libraries. Unlike virtual machines, containers do not bundle a full operating system but instead share the host system’s kernel, ma...
Docker is a containerization platform used to develop, ship, and run containers. Docker doesn't use a hypervisor, and you can run Docker on your desktop or laptop if you're developing and testing applications. The desktop version of Docker supports Linux, Windows, and macOS. For production s...
Docker host: A Docker host is a physical or virtual machine running Linux (or another Docker-Engine compatible OS). Docker Engine:Docker engine is a client/server application consisting of the Docker daemon, a Docker API that interacts with the daemon, and a command-line interface (CLI) that...
Once the image is successfully pulled, select theRunbutton. Expand theOptional settings. In theContainer name, specifywelcome-to-docker. In theHost port, specify8080. SelectRunto start your container. Congratulations! You just ran your first container! 🎉 ...
$ docker run </> Copy Code Docker client uses these commands and REST APIs to interact with Docker daemon which also is a Server. Do you know that the Docker client can communicate with more than one daemon? Docker Host It is a complete hosting environment that holds docker daemon, contain...
What is multi-cloud Canonical OpenStack is an enterprise cloud platform engineered for price-performance that serves as a cost-effective extension to hyperscale infrastructure. Learn more about Canonical OpenStack › Charmed Operators are small artefacts which package common maintenance functions, to ...
Docker typically works well with modern CPUs. However, virtualization extensions (e.g., Intel VT-x or AMD-V) need to be enabled in the BIOS/UEFI firmware for optimal performance. RAM: Docker recommends a minimum of 2 GB of RAM for the host system. However, depending on your use case ...
Docker Compose Use Cases Common use cases of Docker Compose include: Automated testing environments. Compose facilitatesautomated testing, an essential part ofCI/CD, as it can easily create, destroy, and recreatetesting environments. Single host deployments. Since it focuses on developing and testing ...
Red Hat® OpenShift® is a popular PaaS built around Docker containers and Kubernetes. What is software as a service (SaaS)? Software as a service (SaaS) is application software that is hosted in the cloud, and it serves as the primary delivery model for most commercial software today....