with engineer Keith Tantlinger to develop the modern intermodal container.” Containerization also reduced congestion in ports, significantly shortened shipping time and reduced losses from damage and theft. “Containers can be made from a wide range of materials such as steel, fibre-reinforced polymer, aluminium or a combination of all.” (Wikipedia https://en.wikipedia.org/wiki/Containerization) https://en.wikipedia.org/wiki/Malcom_McLean
a pod of whales or pea pod) is a group of one or more containers (such as Docker containers), with shared storage/network, and a specification for how to run the containers. A Pod's contents are always co-located and co-scheduled, and run in a shared context. A Pod models an application-specific "logical host" - it contains one or more application containers which are relatively tightly coupled Pod IP 10.1.206.34 10.1.206.128
You describe a desired state in a Deployment, and the Deployment Controller changes the actual state to the desired state at a controlled rate. You can define Deployments to create new ReplicaSets, or to remove existing Deployments and adopt all their resources with new Deployments. Pod IP 10.1.206.34 10.1.206.110 Node Node 3 key term in Kubernetes
key term in Kubernetes An abstract way to expose an application running on a set of Pods as a network service. With Kubernetes you don't need to modify your application to use an unfamiliar service discovery mechanism. Kubernetes gives Pods their own IP addresses and a single DNS name for a set of Pods, and can load-balance across them.
Kubernetes Application （Container） Ubuntu / CentOS… Linux Kubernetes Application （Container） Runtime engine Linux OS Orchestration RHEL / RHCOS Runtime engine What is an OpenShift CI/CD Support Security ….
code n GitHub (Java, js, Py..etc) Catalog template (JSON/YAML) s2i Build Several way to deploy apps on OpenShift Deploy from Public registry Use own Image (Build on OpenShift) Use s2i to make image from source Directly Execute From Catalog DevOps Pipeline