Install Nom Package In Hosting

Install Nom Package In Hosting – I’ve been learning computer programming for almost three years and I’ve noticed a recent development where I have the technical knowledge to really help other developers. So I thought of starting to write down what I know well to help me remember what I know and be a reference for others. To that end, I’m starting with something simple, a Node app that responds to a request with a static file. Or at least that’s what can be done among experienced developers.

It’s simple, but I’ll go into some detail about it because I want someone with minimal web development knowledge to be able to continue using this Node app and leave this tutorial intact. The foundation for the fun stuff that comes next. I can’t explain everything though, so I’ll sometimes send you a message to find out more if you want.

Install Nom Package In Hosting

Install Nom Package In Hosting

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For this tutorial, I just go through the steps of setting up a Node server. From the client’s point of view (the client is the person/computer communicating with the server), this server will only do one thing: display a single, static HTML page. No CSS, no front-end JavaScript, no database connectivity, none of that, and only minimal NPM packages (I’ll explain what NPM is in a moment). In fact, we will not even run it on the real internet, we will only run it locally. Also if you are looking for an explanation of how servers work in general I should add the client-server communication mechanism which is important if you want to make Node more serious I won’t cover it here.

Here is the NodeJS website. I recommend downloading the LTS (Long Term Support) version if you follow this tutorial, this is the stable version most people use and if something breaks you’ll have better time to get help. This section title is technically misleading, you actually downloaded NodeJS.

And after the download is complete you need to open it and follow the instructions to install Node.js.

After downloading and installing NodeJS, you need to make sure that Node is indeed installed correctly by running the following command in Terminal:

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When you install node, you also install the Node Package Manager, often called NPM. As far as the command line is concerned, probably Node with NPM. I’ll explain what it does in a moment, but for now make sure you have NPM installed and the PATH is correct. To test this, do the same as you did for the node:

In fact, this is a commonly used technique for testing most programs on the command line. Without going too far into the semantics of the command line, most (all?) of the programs you interact with on the command line can use the -v flag, so that almost always the command line of the tool/program you install on the command line runs following this format:

If everything goes as it should, you are ready for the next step. If you get this message back:

Install Nom Package In Hosting

The first thing you should do is check your PATH variables because 9/10 times this is the problem with this error. I won’t go into further troubleshooting to keep this post as short as possible, but this is a fairly common problem that many people ask online. Once Node and NPM are up and running, we can move on to the next step.

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You can place your project folder anywhere on your computer and give it the name you want. This step is easy. Everyone knows how to create a new directory or folder, right?

Anyway, what is NPM? You can go ahead and visit the website and see for yourself, but let’s keep it simple for someone new to Node, a package is nothing more than a program designed to work with your Node application. When your web application needs to do something, do some logic, process some data, or communicate with another service on the web, you can search, download the package instead of writing all the code in Node files yourself. and add it to your project. This doesn’t mean that using an NPM package will always be easy, there is usually code you need to write in the interface between your Node project and the code in the package, and sometimes that code can be a bit tricky.

The line “package name: (simple-node-server)” you see during this setup, and all subsequent lines, indicate which variable was requested first (in this case,

) and to the right of it will either have something in parentheses or be empty. The values ​​in parentheses are the default values ​​and for each of these lines you can press Enter to accept the default (an empty default is also acceptable) or type your own and press Enter. Most beginners stick with the defaults.

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The variable will be your main server file (larger projects often have multiple server files, so Node uses the entry point file to start the application, but we only need one file for something this simple). One thing that confused me when I started working with Node was that the developers had different names for their main server files, and the most common names I’ve seen are:

The name of the host file is optional and can be confusing because some services you will use with Node expect the server file to have a specific name and/or be in a specific location. This is not a big deal for a simple server, but there is something to keep in mind if you start looking at examples.

Ok, now that we have connected NPM to our project, we will install an NPM package using the command line. You will use this particular package for most of your Node server projects. It’s called Express.js and it’s so synonymous with Node itself that in most of your Node projects you’ll actually be using Express objects and methods that make it easy to run common web development processes like routing, database integration, debugging. processing and using previous templates.

Install Nom Package In Hosting

The package.json file in our root project folder contains some basic information about our application, but the most common use of package.json files is to keep track of all the packages we download and store in our project. This is important because to make our project code work in other environments (for example, if you’re working with a team or have an open source project that you want others to be able to work on from their own computers, or you’re on Amazon Web Services (AWS), Google App Engine (GAE), Heroku, or a similar service) hosting), other environments need to know what NPM packages your project is using so that it can be downloaded and stored. There are actually many different things package.json does, but by now you should really know that it contains basic information about your project including packages.

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, we will need to run the following command from your terminal (make sure you are in the root folder of your project when you run this):

Watch till the end. Look at this? The node was automatically added to the express package.json and node_modules folder in the root folder.

This is probably the second easiest step after creating the project folder. Add the file to your “.html” extension folder. A common convention is to name the primary html file “index.html”, but that’s not a hard and fast rule, so you can name it whatever you want.

This is all you need in your html file, but feel free to convert it to any html page you want:

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Create a file named “index.js” in the root folder of your project. Yes, that’s right, there is now a file called “index”.

In your root folder. If it’s confusing, you’ll have to get used to it, and actually once you learn the rule (more of a guide), it can be useful in debugging your Node server if it has trouble starting or building one. pages. The rule is as follows:

Many front-end frameworks take advantage of this, from templating engines like handlebars to JavaScript frameworks like React.

Install Nom Package In Hosting

Anyway, if you don’t know anything about how servers work, here’s the absolute basics of what a server does:

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This is the simplest explanation of what is called the request-response loop and what it looks like.

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