Images
How Docker Pulls Images
· β˜• 2 min read
1. Pulling images with docker pull When you pull an image with docker pull {IMAGE_NAME}, there are two cases: The IMAGE_NAME prefix points to a registry Docker recognizes IMAGE_NAME as an image provided by the specified repository. For example, for myregistry.io/space1/image1:latest, Docker requests the image data from the server that myregistry.

Installing Harbor with Helm
· β˜• 3 min read
Prerequisites: (1) Helm is already installed, see Installing Helm; (2) the cluster has default dynamic storage available, see Providing PV Dynamic Storage with StorageClass 1. Installing Ingress with Helm Ingress consists of two parts: Ingress and the Ingress Controller. In Kubernetes, the Ingress object describes routing rules; the Ingress Controller interacts with the Apiserver and writes the Ingress rules into the Nginx Pod.

Using S2I to Build Cloud Native Applications
· β˜• 5 min read
1. What Problem S2I Solves It is foreseeable that a large number of applications will be deployed as containers in the future. Container platforms care about images and containers, while application development cares about business code, and ultimately the code needs to be deployed as an image. From code to image β€” that is Source To Image, or S2I.