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I've talked a lot about the principles before, and I've basically explained the general principles of Docker once. This time, we'll run an example to use the Docker container. Let's start by writing a simple web server program, hello, in Go. Go, and then run it with Docker. The source code for the Go program is as follows: package main impor ...

What is service registration and discovery Service registration and discovery is an indispensable component in microservice architecture. At first, services are single node, which does not guarantee high availability, and does not consider the pressure bearing of services. Calls between services are simply accessed through interfaces. Unti ...

Introduction to PodmanWhat is Podman?Podman is an open source container runtime project that can be used on most Linux platforms. Podman provides functions very similar to Docker. As mentioned earlier, it does not need to run any daemons on your system, and it can also run without root privileges.Podman can manage and run any container and cont ...

Preface When we start a container, all kinds of data are stored in the container. Once the docker rm command is executed accidentally, the container will be deleted and the data will be lost. The data generated by the docker container must be persisted in the production environment, and the problem of data sharing among multiple contain ...

What is continuous integration Continuous Integration (CI for short) refers to the frequent (multiple times a day) integration of code into the backbone. The purpose of continuous integration is to enable products to iterate quickly while maintaining high quality.. Its core measure is that the code must pass automated testing before being ...

Resource scheduling (nodeSelector, nodeAffinity, tail, Tolrations) 1.nodeSelector nodeSelector is the simplest way to constrain. nodeSelector is pod A field of the spec Use -- show labels to view the labels of the specified node [root@master haproxy]# kubectl get node node1 --show-labels NAME STATUS ROLES AGE VERSION LABEL ...

What is the workload controller Workload Controllers is an abstract concept of K8s, which is used for higher-level objects, deployment and management of Pod Common workload controllers: Deployment: stateless application deploymentStateful set: stateful application deploymentDaemon set: ensure that all nodes run the same PodJob: one time t ...

k8s workload controller 1.k8s workload controller Workloads are applications running on kubernetes. Whether your load is a single component or multiple components working together, you can run it in a set of Pods in Kubernetes. In Kuberneres, pod represents a set of containers running on the cluster. Kubernetes Pods has a defined life cyc ...

Workload Controller Workload Controllers are an abstract concept of K8s for deploying and managing Pod s at higher levels of objects. Common workload controllers: Deployment: Stateless application deploymentStatefulSet: Stateful application deploymentDaemonSet: Make sure all Node s run the same PodJob: One-time taskCronjob: Timed tasks Cont ...

preface Yesterday all sorts of strange things were as like as two peas in the nacos tutorial. They found that the nacos tutorial was basically a bit like the same. They were copied and copied, so that you could configure a lot of things. The introduction of dependencies was also a great surprise. Even the official tutorials of the librar ...