1. The Challenge of a Cross-Region Harbor If all you need is to store image data in a simple way, Registry is an excellent choice as an image repository. Registry not only supports multiple storage backends, but can also be configured with HTTPS certificates and access credentials. Worth noting: Harbor also uses Registry to store image data.

If you use Logstash to centrally receive the log input from Filebeat, it easily creates a single point of bottleneck; if you use Kafka to receive the log input from Filebeat, the timeliness of the logs is not guaranteed. Here we output the logs collected by Filebeat directly to Elasticsearch.

1. Specify a Node via nodeSelector When Creating a Workload Add a label to the node 1 kubectl label node node2 project=A Create the workload with the specified nodeSelector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 cat <<EOF | kubectl apply -f - apiVersion: apps/v1 kind: Deployment metadata: name: nginx-nodeselector spec: replicas: 1 selector: matchLabels: app: nginx-nodeselector template: metadata: labels: app: nginx-nodeselector spec: nodeSelector: project: A containers: - name: nginx image: nginx EOF Check the workload 1 2 3 4 kubectl get pod -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES nginx-nodeselector-7bb75b7687-7r5xk 1/1 Running 0 19s 10.

If you need to monitor the network status between two hosts, or between a host and an external service, then the Blackbox Exporter mentioned in this article is worth a try. 1. Installing Blackbox 1.1 Deploying on a Host Download the binary package 1 2 3 4 5 wget https://github.

1. Application Architecture Matches Business Growth and Operations Capability At industry conferences, in documents and blogs, we constantly see all kinds of excellent solutions — but if you copy them straight into your own business, you keep hitting walls. Because these technical solutions were incubated in specific business scenarios; different business forms, different business scales, and different stages of business development all affect how technology lands.