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WeChat official account: operation and development story, author: Liu Daxian K3S Description: K3s (lightweight Kubernetes): similar to RKE, it is also a certified Kubernetes distribution. It is newer than RKE, easier to use and lighter. All components are in a binary file less than 100 MB. From Rancher v2 Starting from 4, the Rancher can be ...

1, Configmap configuration management Introduction: • Configmap is used to save configuration data in the form of key value pairs. • the configMap resource provides a way to inject configuration data into the Pod. • it aims to decouple the image from the configuration file in order to realize the portability and reusability of ...

Dockerfile Usage Summary Dockerfile is a text file used to build an image, which contains instructions and instructions for building an image.Each layer instruction in the dockerfield file describes how to build this layer on the basis of the previous layer. Operating environment Alibaba cloud ubuntu 20.04 Building a simple instance of a mi ...

Implementation of resource constraints Kubernetes' restriction on resources is actually controlled by cgroup, which is a set of related attributes of the container used to control how the kernel runs the process. There are corresponding cgroups for memory, CPU and various devices. By default, Pod runs without CPU and memory limits. This m ...

Dear leaders, the foregoing is as follows: K8S build automated deployment environment (I) install Kubernetes K8S build an automated deployment environment (II) install the K8S management tool Kuboard V3 K8S build automated deployment environment (III) Jenkins download, installation and startup K8S build automated deployment environment (IV ...

This article is the second part of the introduction, packaging and deploying the project to the server, and modifying the relevant configuration. 192.168.38.132 -front end 192.168.38.133 -back-end 192.168.38.134 -back-end The three servers create the / root/workspace directory respectively 1, Front end 192.168.38.132 deployment Fir ...

In the production environment, we often encounter the need to modify the configuration file. The traditional modification method will not only affect the normal operation of the service, but also the operation steps are very cumbersome. To solve this problem, the kubernetes project introduced the ConfigMap function from version 1.2 to separate ...

Chapter II cluster environment construction This chapter mainly introduces how to build kubernetes cluster environment Environmental planning Cluster type kubernetes clusters are generally divided into two types: one master-slave and multi master-slave. One Master and multiple slave: one Master Node and multiple Node nodes are simple to bu ...

1, pod life cycle A Pod can contain multiple containers in which applications run. At the same time, a Pod can also have one or more containers Multiple Init containers started before the application container.The Init container is very similar to an ordinary container, except for the following two points: They always run to completion.Init ...

Hi, I summarized and recorded the deployment notes of docker under the offline centos8 two days ago. Today is the last day of 2021. Today, I was sitting on the train home from this business trip. There was nothing to do on the train. It's not beautiful to summarize and record other processes of the installation of the offline centos8 environmen ...