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The main classes of Docker objects are images, containers, and services. [22] A Docker container is a standardized, encapsulated environment that runs applications. [25] A container is managed using the Docker API or CLI. [22] A Docker image is a read-only template used to build containers. Images are used to store and ship applications. [22]
The OCI organization includes the development of runc, which is the reference implementation of the runtime-spec, [7] [8] a container runtime that implements their specification and serves as a basis for other higher-level tools. runc was first released in July 2015 as version 0.0.1 [9] and it reached version 1.0.0 on June 22, 2021.
Docker, Inc. is an American technology company that develops productivity tools built around Docker, which automates the deployment of code inside software containers. [1] [2] Major commercial products of the company are Docker Hub, a central repository of containers, and Docker Desktop, a GUI application for Windows and Mac to manage containers.
Docker, Inc. releases Docker, a series of platform as a service (PaaS) products that use OS-level virtualization. 2014. The first public build of Kubernetes is released on September 8, 2014. [7] When Kubernetes debuted, it offered a number of advantages over Docker, the most popular containerization platform at the time.
In software engineering, containerization is operating-system–level virtualization or application-level virtualization over multiple network resources so that software applications can run in isolated user spaces called containers in any cloud or non-cloud environment, regardless of type or vendor. [1]
LXC combines the kernel's cgroups and support for isolated namespaces to provide an isolated environment for applications. [4] Early versions of Docker used LXC as the container execution driver, [ 4 ] though LXC was made optional in v0.9 and support was dropped in Docker v1.10.
Buddy (also known as Buddy.Works) is a web-based and self-hosted continuous integration and delivery software for Git developers that can be used to build, test, and deploy web sites and applications with code from GitHub, Bitbucket, and GitLab.
With the still available older paravirtualized virtual machines (PV), [4] an AMI did not include a kernel image, only a pointer to the default kernel id, which could be chosen from an approved list of safe kernels maintained by Amazon and its partners (e.g., Red Hat, Canonical, Microsoft). Users could choose kernels other than the default when ...