Programmer Group

1, Disposition Linux: CentOS-7-x86_64-DVD-1810.iso 2, Installation 1. If you have previously installed an older version of Docker, you can uninstall it using the following command: yum remove docker \ docker-client \ docker-client-latest \ docker-common \ docker-latest ...

Dependency injection When class a needs to rely on class B, that is, it needs to instantiate class B objects in class A for use, if the functions in class B change, the places where class B is used in class a will also be modified, resulting in high coupling between Class A and class B. The solution at this time is that class A should rely o ...

What is a container data volume Container data volume is the mounting of the directory. Mount the directory of our container on the host, so as to realize the file sharing function between the host and the container; Why container data volumes docker's idea is to package the application and environment into a mirror image; But what about the ...

What is docker Docker's idea comes from the container. What problem does the container solve? In a large ship, the goods can be placed neatly. And all kinds of goods are standardized by containers, and containers will not affect each other. Then I don't need a ship for fruit and a ship for chemicals. As long as the goods are well sealed in the ...

Basic concept of list container Concept: list is a data structure that stores data in a chain, which is called a linked list Linked list: a discontinuous storage structure on a physical storage unit. The logical order of data elements is realized through pointer links in the linked list Composition of linked list: the linked list ...

Implement a simple vector container The implementation of all C++ STL containers needs to rely on a spatial configurator allocator. Although we don't pay attention to it when using containers, we have been using it all the time. The C++ STL library provides a simple implementation of the default spatial configurator allocator. Of course, we ne ...

1. Comparison between docker and virtual machine Compared with traditional virtual machines, Docker has fast startup speed and small footprint. 2. Docker component 2.1 docker server and client 2.2 docker image and container Mirroring is the foundation for building containers. 2.3 Registry registry Used to save user built images. I ...

Traditional Kubernetes application building Create Namespace In a Kubernetes cluster, you can create multiple namespaces for "environment isolation". When there are many projects and personnel, you can consider dividing different namespaces according to the actual situation of the project (such as production, testing and development). ...

catalogue ​ 5, Deploy master components 1. Operate on the master01 node 6, Deploying Woker Node components 1. Operate on the master01 node 2. Operate on node01 node 3. Operate on the master1 node 4. Operate on node01 node 5. Operate on the master01 node   6. Operate on node01 node 7.node02 node deployment (method 1) node02 node ...

Background: Deploy multiple static resources on docker, hoping to access them directly using domain name instead of domain name + port number Specific ideas: First, use docker to create three nginx containers 1. nginx port 81 of web1 website deployment 2. nginx port 82 for web2 website deployment 3,proxy_nginx port 80 for proxy forwa ...