Getting Node.js installed on Windows is a breeze. Go to Node.js and download and run the “.msi” file. This will install Node.js and NPM (Node Packaged Modules). NPM is equivalent to NuGet package manager for .NET apps.
Running Node.js on Windows is a breeze too. Open up PowerShell and type “node -v” to ensure that Node is in your environment variables and to see the version of Node.js you are running. Also type “npm -v” to see the Node Packaged Managed version installed. Are you good? Ok, let the fun begin!!
Open up notepad and we will build our first Node.js app. Paste the following and call it anything, such as “example.js“, and save it to a folder you wish:
Now back to PowerShell. Change the directory to folder of your “example.js” file and run Node!
Fire up your browser and go to http://127.0.0.1:1337. Did it work? Congrats you ran your first Node.js app!
Serving a Website
You thought I’d leave you with a “Hello World” example and call it a day? It would be more beneficial if we knew how to run an HTML file. Add an “index.html” file with any HTML in it. This will do:
Things are getting more interesting here. Notice there are more “require” lines at the top. You are pulling in dependencies that your app will need. This is like the “using” namespace directives in C# to call in dependencies.
Run “index.js” from PowerShell by typing: node index.js (dont forget to hit Ctrl-C to quit the last Node app or use a different port number this time). In your browser, go to http://127.0.0.1:1337 and you should see your HTML file. You will probably feel excited on the achievements, but if you were like me, had mixed feelings about it. This is low level coding and if I had to think about reading/streaming files and what status codes to send out every time, it’s going to get boring pretty fast. Say hello to ExpressJS!
Using Node Package Manager
Node.js has a companion that makes everything feel right again. ExpressJS takes away the boilerplates in Node.js and let’s you cut straight to web development. It is a web framework that allows you to build single, multi-page, and hybrid web applications. You can’t go very far with Node.js without it!
First use NPM to install it. To do this, open PowerShell again and change to your app’s directory again. Now type: npm install express. This will install ExpressJS by creating a folder called “node_modules“. From this point on, your Node modules will be put in there, kind of like your “bin” folder for .NET applications, where you call or “require” your dependencies from.
Getting Started with ExpressJS
Now create any new file, such as “server.js“, and paste in the following:
This is calling the depenency of ExpressJS, then creating an app from it. From there you are ready to rock and roll! In this case, we are simply serving static files. The “__dirname” is a special variable from ExpressJS that means the root file system location. Finally you tell the app to listen to port 1337. Now you have a Node.js website serving static files! Add a few extra HTML files with even some in sub-folders, then go to http://127.0.0.1:1337 to test it out.
What About IIS
In these examples, I kept running the app from post 1337 instead of port 80. The reason is because IIS is already listening to port 80. There are a couple of ways to make IIS and Node.js live in perfect harmony:
- IISNode: This is a clever idea to run Node.js as an application pool for your IIS websites, much like running PHP in IIS. As a matter of fact, Azure uses this to run Node.js on its platform.
- WinServ: This runs Node.js as a Windows service. It is actually a Node.js friendly wrapper around the popular NSSM (Non-Sucking Service Manager). Once running as a service, you can use IIS’s Application Request Routing (ARR) to proxy requests to your Node.js app’s port.
What About MS SQL
There are several MS SQL drivers for Node.js, some are even cross-platform. One that only works in a Windows environment is released by Windows Azure: Microsoft Driver for Node.js for SQL Server. Then you can start doing things like this:
This is only scratching the surface! Armed with ExpressJS, you’ll be able to create full-fledged MVC applications with routers, views, layouts, services, and so much more. Also, unless you need to integrate with existing Microsoft applications or MS SQL databases, MongoDB is a great companion to creating a Node stack and will help you free yourself from the rigidness of SQL. Finally, you can create a mean JavaSript full stack using MEAN, which is MongoDB, ExpressJS, AngularJS, and Node.js. Now that Enterprises have cozied up to Node.js, isn’t it time for you to do the same?
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