• Zero Downtime Deployments

    technical   kubernetes deployment iaas paas

    And Example of Zero Downtime Deployment Overview Kubernetes based platforms like OpenShift support zero downtime deployments using advanced deployment strategies like: Blue-Green Deployment A/B Deployment Proxy shard / Traffic Splitter Most of these patterns require that your application supports [N-1 Compatibility]1 An Example Step 1. Login using CLI oc login...

  • Evolution of PaaS

    technical   kubernetes policy iaas paas

    Evolution of Platform as a Service Overview Three well known cloud service models are: IaaS: Infrastructure as a Service PaaS: Platform as a Service SaaS: Software as a Service IaaS and SaaS are well understood models. Though as linux containers go mainstream, the PaaS model is ever evolving. PaaS provides...

  • Policy Management in Cloud Native Environment

    technical   kubernetes openshift programming opa policy

    Policy Management in Cloud Native Environments Overview In very simplistic terms, there are three (3) things involved in policy mananagement. Policy is a set of rules that governs the behaviour of the service. Data is the available information to evaluate the policy against. Service is seeking clarification if we should...

  • Maintaing State on Kubernetes

    technical   kubernetes hyperledger openshift programming caching infinispan jboss datagrid

    Maintaining State when deploying Application on Kubernetes Overview Linux containers should be disposable (or emepheral is a more technical term). Meaning that a container should be treated as an immutable software asset which includes the base operating system, software libraries (required dependencies), configuration, folders, and the application itself. This immutable...

  • Security Essentials in a Digital World

    technical   security opinion

    Security Essentials in a Digital World What does being Digital mean Companies are either being disrupted or transforming themselves to be digital businesses. The core purpose of this transformation is to develop the capability to innovate at speed to compete and win. And the changes this transformation introduces are more...