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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.
By default, Alpine running in this mode will only load a few key packages, but a tool called LBU (Alpine Local Backup) [21] is made available that allow changes in this boot configuration to be written to a special file called an APK overlay file (usually shortened to apkovl), a tar.gz file that by default stores a copy of all files in /etc ...
Various container software use Linux namespaces in combination with cgroups to isolate their processes, including Docker [17] and LXC. Other applications, such as Google Chrome make use of namespaces to isolate its own processes which are at risk from attack on the internet. [18] There is also an unshare wrapper in util-linux. An example of its ...
A 2018 survey of Docker usage found that Nginx was the most commonly deployed technology in Docker containers. [16] In OpenBSD version 5.2 (November 2012), Nginx became part of the OpenBSD base system, providing an alternative to the system's fork of Apache 1.3, which it was intended to replace, [ 17 ] but later in version 5.7 (November 2014 ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 March 2025. List of software distributions using the Linux kernel This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this ...
Amazon Elastic Container Registry (ECR) is a Docker registry service for Amazon EC2 instances to access repositories and images. [ 54 ] Amazon Elastic Kubernetes Service (EKS) a managed Kubernetes service running on top of EC2 without needing to provision or manage instances.
Dynamic loading is a mechanism by which a computer program can, at run time, load a library (or other binary) into memory, retrieve the addresses of functions and variables contained in the library, execute those functions or access those variables, and unload the library from memory.
It is common for microservices architectures to be adopted for cloud-native applications, serverless computing, and applications using lightweight container deployment. . According to Fowler, because of the large number (when compared to monolithic application implementations) of services, decentralized continuous delivery and DevOps with holistic service monitoring are necessary to ...