InfoQ Homepage Containers Content on InfoQ
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Kubernetes 1.5 Released with Improved StatefulSets and Alpha Support for Windows Server 2016
The CNCF have released version 1.5 of the Kubernetes container orchestration system. Core improvements focus on beta functionality associated with deployment and scaling of stateful applications, and making it possible to perform cluster operations without disrupting applications. Alpha support has also been added for Windows Server 2016 nodes and the scheduling of Windows Server Containers.
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Running Docker Containers Securely in Production
Hardening Docker containers in production involves a combination of techniques including making them immutable, minimizing the attack surface and applying both standard Linux hardening procedures as well as ones that are specific to a container environment.
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Amazon Introduces AWS Batch Preview
At the recent AWS Re:Invent event, Amazon announced a new preview service, called AWS Batch. AWS Batch allows organizations to optimize their scheduling and workload execution across a cloud-based landscape. Amazon has built this service in response to many AWS customers building their own batch platforms using EC2 instances, containers and CloudWatch.
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Technologies for the Future of Software Engineering
The Cloud, infrastructure as code, federated architectures with APIs, and anti-fragile systems: these are technologies for developing software systems that are rapidly coming into focus, claimed Mary Poppendieck. Systems are moving towards the cloud, and APIs are replacing central shared databases and enable the internet of things. We need to develop anti-fragile systems which embrace failure.
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Developer Panel Discusses Microservices, Containers and Serverless at Microsoft Connect
A developer panel was held at Microsoft Connect() following the multiple annoucements of new features and releases. Microservices and containers are in the center of the discussion, along with Azure, serverless architecture and developer tooling.
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Lawyer.com: Early Adopter of HTTP/2, Speaks to InfoQ
Lawyer.com recently announced that they are adopting the HTTP/2 protocol. Gerald Gorman, tech entrepreneur, CEO, and co-founder of Lawyer.com, spoke to InfoQ about their technology implementation, their position on microservices and lightweight containers, their unique search engine, and their use of social media.
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An Overview of Various Docker Registries
Docker registries are collections of versioned repositories where users can upload and share Docker images. Apart from the well-known public repositories like Docker Hub, there also exist other lesser known repositories, some of them specialized, both offered as a service as well as deployable on-premises.
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Kubernetes 1.4 Simplifies Cluster Deployment, Improves Security and Federation
Kubernetes 1.4 has been released this week with new features that improve Dev and Ops experience, simplify cluster deployment, certificate handling, networking, security, and application deployment. Additionally, the release expands cluster federation capabilities, improving deployment across multiple clusters and multiple clouds.
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New Book on Docker Provides Comprehensive Introduction
Docker in Action, written by Jeff Nickoloff, provides a comprehensive introduction to Docker and how to integrate it into a development workflow. This book is intended for developers and operations engineers who wish to adopt Docker for application development and integrate it into their software delivery process.
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HyperGrid Announces Platform for Application Migration to Containers
HyperGrid, which was formed out of GridStore acquiring DCHQ, announced an application migration platform called HyperForm. It aims to migrate applications to any cloud or container infrastructure, with a focus on Java applications.
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Memory Issues with Linux Control Groups Might Affect Containerized Applications
LinkedIn’s engineering team recently published an article outlining several memory management problems with cgroups that might lead to performance degradation and possible workarounds for them.
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Kubernetes 1.3 Released with Cross-Cluster Federation and Alpha Support for Stateful Services
Kubernetes 1.3 has been released with improved support for scaling clusters up and down, cross-cluster federated services, improved local development tooling, support for CoreOS’s rkt container format, foundations for the emerging OCI image format and CNI networking standards, and the inclusion of the alpha ‘PetSet’ feature that enables support for implementing stateful applications.
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Monitoring Metrics for Docker Containers
Stefan Thies, DevOps Evangelist at Sematext, in a recent post discusses ten important container monitoring metrics and their implications on operating Docker containers, specifically when running many containers per host. Combined in a single correlated view these metrics provide a starting point for monitoring Docker-based environments.
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Design for Continuous Evolution: Immutable Model Is Key for Robustness
At QCon New York, Eric Brewer described how advancing from continuous delivery to fast and stable continuous evolution requires a discrete construction step to define an immutable model of the system. Brewer’s compute infrastructure design team uses Helm to construct and safely validate new deployment models, prior to attempting real deployment, although the concepts are technology agnostic.
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Microsoft Announces Better Integration of Docker and Azure at DockerCon 2016
At the recently concluded DockerCon 2016 in Seattle, Microsoft announced some features in Azure showcasing improved support for Docker containers in the enterprise. These include the availability of Docker Datacenter in the Azure Marketplace and Docker Datacenter support for managing hybrid container deployments.