For the same Dockerfile,docker hub to build at different times there will be different results, as in the following building Tomcat Image: # based on CENTOS6 base mirroring from Centos:6 maintainer Chenyufeng " Yufengcode@gmail.com "
# Set the current tool directory # This command does not add a mirrored layer Workdir/home
# Install the necessary tools RUN Yum i
Introduction
LVS is an excellent load balancing software, widely used in the major well-known websites, which support a variety of load balancing methods, such as: [Vs/nat,vs/tun,vs/dr and Full NAT, originally in the test environment to build a LVS, often need more than one physical host or virtual machine, In this article, you will find a way to use Docker to build
How to build a private docker repository using CentOSPreface
Because most of the image download websites are abroad, Chinese users often encounter slow downloading speeds when downloading images. In addition, when Docker is applied to the production environment, whether the downloaded Docker image is secure or not.
Bu
Run in Docker represents a running container: a list of constants
Name
Use
Example
-A,--attach=[]
Specify standard input and output content type, optional stdin/Stdout/stderr three items;
-D,--detach=false
Run the container in the background and return the container ID;
-I.,--
Kafka Cluster management, state saving is realized through zookeeper, so we should build zookeeper cluster first
Zookeeper Cluster setup
First, the SOFTWARE environment:
The zookeeper cluster requires more than half of the node to survive to be externally serviced, so the number of servers should be 2*n+1, where 3 node is used to build the zookeeper cluster.
1.3 Linux servers are created using the
Before Windows has been using vagrant to do development, the team is also a variety of development environment, several people do not have a unified environment, a variety of on-line are human flesh, and occasionally because of development, testing, production environment due to software version or inconsistent configuration problems, this year, ready to continue to play docker+ Agile development Models under kubernetes (and of course, others: continu
connection backend DB mariadb 172.16.0.30:3306 database has been importedDockerfile# This is a commitfrom ansible/centos7-ansible:latest Maintainer Love coding2373673@qq .com>USER Rootrun Groupadd-G +www RUN useradd-u1001-g www-s/bin/Bash WwwrunYum Install-Y Supervisor Libcurl Curl-develbzip2 bzip2-devel openssl-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-develGCC MakeLibmcrypt-devel YumClean all RM-rf/v
1. Create a MySQL ClusterDownload PXC imageDocker Pull Percona/percona-xtradb-clusterCreate an internal network: For security reasons, you need to create a docker internal network for your PXC cluster instancesCreate command: Docker network Create Net1Create a specified network segment: Docker network Create--SUBNET=172.18.0.0/24 Net1View Network properties:
-end interface but also the execution of back-end upgrades. And in order to ensure the completeness of the test dimension and facilitate analysis, the upgrade test framework must ensure the following:
Automatic upgrade Test
Simulate the behavior of a user
Stability Guarantee
Detailed Test Report
View the upgrade process at any time
Considering these requirements, we decided to build an automated upgrade test environment with a hybrid combination of
How to run JBoss data virtualization GA that supports OData in Docker containers
Hello everyone, we are going to learn how to run JBoss Data virtualization 6.0.0 GA that supports OData in a Docker container, for more information about General Availability, see Wikipedia ). JBoss data virtualization is a platform for d
nodes to use the swarm function.
(5). You can also view the machine conditions in the cluster on the manager.Docker node ls
4.doc Ker service creation
Service: A long-running docker container that can be deployed on any worker node, it can be connected and consumed by other containers in the remote system or swarm.
Task): The service runs on a container instance.
Replicas): The same service runs on a specified number of worker nodes.
Create a servic
/index.jsp").forward(request, response); }}# #3.2, Controller mode using JSP Note: With application.properties configuration, you can use a simplified JSP path ###①application.properties configurationspring.mvc.view.prefix=/WEB-INF/jsp/spring.mvc.view.suffix=.jsp###②controller Writing@Controller public class HelloController { @RequestMapping("/index1") public ModelAndView index(ModelAndView view) { view.setViewName("index"); return view; } }#4,
1, modify httpd.confNote characters before the following two lines are removed: #LoadModule proxy_module modules/mod_proxy.so#loadmodule proxy_http_module modules/mod_proxy_http.so2, adding proxy rulesAt the end of the httpd.conf file, add a forwarding rule for example: Proxypass/baidu Http://www.baidu.comProxyPassReverse/baidu http://www.baidu.com will/ Baidu start of the request forwarded to the homepage3, after the configuration file is changed, create the dockerfile in the sibling directory.
Build the Turtlebot Robot Slam cruise map in the Ros container of the Docker platform
SLAM (simultaneous localization and mapping), also known as CML (Concurrent Mapping and localization), instant positioning and map building, or concurrent mapping and positioning. The problem can be described as: putting a robot in an unknown location in an unknown environment, whether there is a way for the robot to grad
First, the preparatory workSecond, the Environment configurationThird, submit the update and automatically deploy to the server, test address: http://182.61.57.121:8000
First, the preparatory work
Gitlab Environment (for convenience, use of the official custodian warehouse)
Installed docker and gitlab-runner Environment Cloud server (used here CentOS 7 64位 )
Project code, here I use Golang as the development language, other devel
Allow GitHub to bind to the Docker Hub Docker hub->create->create automated build for the first time this step requires GitHub authorization. will automatically jump to GitHub consent authorization.
Create a Docker build project on the GitHub to implement dockerfile inside.
In general, we will install Nginx, PHP are installed in the same container, in order to expand convenience, we hope that nginx container and PHP container separate. Then you can use the Docker link command to do this.Required Image:
Nginx 1.12.2
PHP (including php-fpm7.1) 7.1
Here the Nginx image selection daocloud.io/library/nginx:1.12.2-alpine , PHP image compiled by itself (the selection is Https://github.com/52fhy/
This series records the actual combat process of learning spring-cloud-microservice-example, and analyzes the use of spring Cloud + Docker to build an end-to-end microservices architecture technology.0. Prior to installation, the following software is required for installation.
Maven 3
Java 8
Docker
Docke
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