Docker learning - docker in-depth learning
4, docker advanced knowledge
4.1 running a web application
The container we ran earlier is of no particular use.
Next, let's try to build a web application using docker. We will run a Python Flask application in the docker container to run a web application.
[root@localhost ~]# docker pull training/webapp # Load image
[root@localhost ~]# d ...
Posted by oscardog on Wed, 27 Apr 2022 23:26:20 +0300
Docker storage management
contentDocker Data Volumebind mountvolumecreate volumeCreate a data container (a non-running container)Copy container volume (shared container storage)tmpfs
Docker Data Volume
Docker images are superimposed by multiple read-only layers. When starting a container, Docker will load the read-only image layer and add a read-write layer on top of ...
Posted by pvtpyro on Wed, 27 Apr 2022 14:09:46 +0300
Understand the automated container deployment (git+jenkins+harbor+kubernetes)
I What is automated container deployment
in short, we just need to click (or trigger through gitlab hook), and the code will automatically complete construction - > image generation - > container deployment. Compared with traditional deployment, it can save many steps, especially suitable for agile development projects with ...
Posted by Natty_Dreadlock on Wed, 27 Apr 2022 07:51:45 +0300
Operation of Docker learning note container
summary
In the last article Operation of Docker learning note container (1) In, we learned some container related operation commands. In this article, we continue to learn more operation commands, including export, import, inspect, top, cp, diff, port, update and so on.
Import and export containers
Export container
In the previous article, ...
Posted by celestineweb on Tue, 26 Apr 2022 15:45:14 +0300
Deploying Mysql 8.0 database in Kubernetes (single node)
System environment:
Mysql version: 8.0.19 Kubernetes version: 1.17.4 Operating system version: CentOS 7.8
1, Introduction
Mysql is a commonly used relational database. It is often necessary to deploy a set of Mysql for data storage when the project is developed, tested and deployed to the generation environment. Here's how to deploy Mysql ...
Posted by itsjames on Tue, 26 Apr 2022 00:25:10 +0300
Goodbye, command line! K8S fool installation, graphical management, really fragrant!
Goodbye, command line! K8S fool installation, graphical management, really fragrant!
#K8S series 4
Before, we always used the command line to manage K8S. Although this method looks cool to programmers, it is sometimes troublesome to use. Today, let's introduce a K8S visual management tool Rancher. Using it can greatly reduce our workload in ma ...
Posted by peerData on Mon, 25 Apr 2022 20:52:20 +0300
Prometheus+Grafana monitors Docker container and Linux host
Prometheus overview
Prometheus was released in 2016, four years later than zabbix. Although its community support is not as perfect as the latter for the time being, it has better support for containers. It supports not only swarm native clusters, but also kubernetes container cluster monitoring.
Prometheus features include:
Multidimensi ...
Posted by 947740 on Mon, 25 Apr 2022 12:38:15 +0300
docker container basic operation
Container
Linux container is not a new concept. The earliest container technology can be traced back to the chroot tool on the Unix series operating system in 1982 (until today, the mainstream Unix and Linux operating systems still support and carry this tool).
Each container can have its own independent namespace, and the applications runn ...
Posted by BandonRandon on Sat, 23 Apr 2022 12:53:54 +0300
docker - install and deploy K8S cluster
kubernetes
In Greek, it means captain or navigator
Before the container technology, if multiple applications are running on the physical server, one application may occupy most of the resources, which may lead to the performance degradation of other applications. One solution is to run each application on different physical servers, but it ca ...
Posted by kevinn on Thu, 21 Apr 2022 05:24:35 +0300
k8s cluster deployment is applicable to both internal and external cloud servers
Prepare the environment
Linux CentOS 7.x two or more, 7.6 used in this paper
explain
The default configuration in this paper is in the Intranet environment, that is, the server is in the same LAN environment, and the differential configuration of the external network is additionally marked with [difference - serial number]. You can see ...
Posted by palpie on Wed, 20 Apr 2022 23:21:36 +0300