docker for beginners

In this lesson, we'll find out the basics of running Docker containers. We'll go to the download images from Docker Hub, what's happens when you stop containers, how to restart a container on Ce it ' s been stopped, and also how to remove containers.Run a container:Docker run MONGO // run the container, if container not exists, download from hubThis would output the console log in the command lineAnother-

Docker is useless and unnecessary for small and medium-sized enterprises to build Paas. It is a little less useful to use it as a personal sandbox, I personally think that docker can be used as a standard development, testing, and production environment for small and medium-sized enterprises.I drew a simple figure:Docker occupies a small amount of resources. It is more than enough to deploy 100 containers o

){ app.get(‘/‘,User.list) app.get(‘/user‘,User.save);}Ensure that the local is functioning properly.2.NPM Installation Express Mongoose underscorenpm install express mongoose underscore3. Write dockerfile in the app.js file directoryFROM nodeRUN mkdir -p /home/srcCOPY . /home/srcRUN cd /home/src; npm install --registry=https://registry.npm.taobao.orgEXPOSE 3000CMD ["node""/home/src/app.js"]4.docker Pull Mongo5.

JQuery beginners (1): jquery beginners Knowledge description: The jQuery library is a javascript library file. It writes less than javascript, but does more. Below we will organize some basic knowledge of jQuery for later reading. I,JQueryLibrary file: Web: http://jquery.com/download/ JQuery library files are dividedCompressed version (Suffix:. min. js called on Webpage)AndNon-compressed version (Suffix:. j

Mobile Web beginners and web beginners The best reading is output. -Yuber We are about to get involved in mobile Web. We are a little excited and nervous, hoping to bring some value to our future team. Record the mobile Web I know now. The original article is taken from my front-end blog. You are welcome to visit Address: http://www.hacke2.cn/hello-mobile-aop/Some basic terms For mobile Web, there are some

Four classic books for beginners of PHP and four for beginners of php If you have learned other languages, you will find that PHP is actually quite simple. Some people say that PHP learning is suitable for reading manuals, but there are still many classic books that can help you get started and improve. You can read the following four books. 1. Elaborate on PHP This is a classic PHP entry. It is easy

It has been a year since I started to get in touch with JS, and my mind has always been a bit boring. This is also often said in forums. So where is it? I always feel that I am not going deep in learning. Some simple things can be done but cannot be done with ease. Can you tell me more about this bitter talk? They all said, "I cannot tell you how to be specific? What is unspeakable? You can't say it, but you can't be specific. If you can't put the problem into practice, you can't solve it. This

How do beginners understand tomcat server ?, Tomcat server for beginners Tomcat introduction:Tomcat serverIs a free open source codeWeb Application Server.When the configuration is correct, Apache serves the HTML page, while Tomcat actually runsJSP page and Servlet. In addition, Tomcat, like Web servers such as IIS and Apache, has the ability to process HTML pages. In addition, it is alsoServlet and JSP con

Java beginners and java beginners 1. jdk (java Development Kit) ------> jre (java Runtime Environment) ------> jvm (java Virtual Machine) ------> Application (javac)-------> Java API (Util)2. java running process:. Java source file -------- javac (Compiled) ------->. class ---------> (java command jvm) Description --------> operating system output3. Configure environment variables:Download jdk (csdn, linux

C ++ beginners, what books do c beginners read? Today, I learned how to write c ++ statements.Because c was used in programming, the first time I saw some code in c ++, I was a little confused and busy. When I first came into contact with c ++, I learned the definition of variables and input and output in c ++. The Code is as follows: # Include Int main (){ Int I;Float f = 6.1f;Std: cin> I;Std: cout

Ten jQuery optimization notes for beginners, and jquery for beginners JQuery Optimization 1. IntroductionJQuery is becoming the preferred JavaScript library for Web developers. As a Web developer, in addition to understanding the application skills of languages and frameworks, how to improve the performance of the language itself is also a question that developers should think about. Taking jQuery as an exa

It has been a year since I started to get in touch with JS, and my mind has always been a bit boring. This is also often said in forums. So where is it? I always feel that I am not going deep in learning. Some simple things can be done but cannot be done with ease. Can you tell me more about this bitter talk? They all said, "I cannot tell you how to be specific? What is unspeakable? You can't say it, but you can't be specific. If you can't put the problem into practice, you can't solve it. Thi

Html/Css (Article 3 for beginners) and css beginners I. Learning Experience-refer to excellent web pages for learning. 1 what are the main technologies used for static Web pages? The source code of html + css is public as long as it is visible on the Internet.[1] First, analyze how their pages are laid out (structured)[2]. Try again. --- simulate the process.[3]. Finally, we can try our own innovation-the p

Redis beginners (1) -- Understanding Redis and redis beginners The official Redis website defines Redis as "Redis is an open source, BSD licensed, advanced key-value cache and store". We can see that Redis is a key-value system, it can be used to cache or store data. Redis is short for "Remote Dictionary Server". It provides string, list, hash, and set) and sorted set. These data structures make it an easy-

Java beginners-basics, java beginners- 1. java concepts Java is a simple, object-oriented, distributed, interpreted, secure, portable, and multi-threaded language with excellent performance. With its strong security, platform independence, hardware structure independence, concise language, and object-oriented features, it boasts unparalleled advantages in network programming predictions, it is the preferred

It is enough for beginners to master the web Front-end !, Adequate web Front-end for beginners Today, Web development is booming. So how should we learn? This is not just a beginner. Many people who have been studying for a few years may be confused or confused. Everyone knows that continuous learning is inevitable. If they do not learn, they must be left behind. How can they learn more efficiently, those a

Common JSP + Servlet Errors for beginners, jspservlet for beginners Common Errors in web programming: I. 404 (the resource to be accessed is not found) 1. Whether the web program is deployed (add the project to tomcat) 2. Are there any url errors (including case sensitivity, including whether the project has been renamed) 3. Have you put jsp/html in the WEB-INF? 4. If you access servlet, check whether the c

features, such as zoom and pan. It supports different GUI backend (back ends) under all operating systems, and can output graphics to common vector and graphic formats such as PDF, SVG, JPG, PNG, BMP, and GIF.Scikit-learnScikit-learn is a Python module for machine learning. It builds on scipy and provides a common machine learning algorithm that allows users to use it through a unified interface. Scikit-learn helps you to quickly implement popular algorithms on your data set.The last small part

Docker Quick Start series (5): basic network configuration and communication during storage, docker Quick StartIntroduction Two major functional modules that are essential for a web service to run: business processing, data services, and large web services require more components, which usually requires multiple containers, however, we also need to allow network communication between these containers and co