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title	author	description	keywords	ms.author	manager	ms.date	ms.topic	ms.assetid	ms.technology	ms.prod	uid
Build an ASP.NET Core app on a Mac or Linux using Visual Studio Code \| Microsoft Docs	spboyer	This article will walk you through creating your first web application on a Mac using the dotnet CLI for ASP.NET Core and Visual Studio Code	ASP.NET Core, macOS, Yeoman, generator-aspnet, Visual Studio Code, Linux	riande	wpickett	02/22/2017	article	dcc08e09-e73e-4feb-84ce-8219b7e544ef	aspnet	asp.net-core	tutorials/your-first-mac-aspnet

Build an ASP.NET Core app on a Mac or Linux using Visual Studio Code

This article will show you how to write your first ASP.NET Core application on macOS or Linux.

Setting up your development environment

To setup your development machine download and install .NET Core and Visual Studio Code with the C# extension.

Scaffolding applications using dotnet new

We will be using dotnet new to generate a new web application using the "Empty Web Template". Create a working directory for your project called firstapp . cd to firstapp.

Start Visual Studio Code and open the firstapp folder. Press Ctrl + '`' (the back-quote character) to open an embedded terminal in VS Code. Alternatively, use a separate terminal window. Run the dotnet new command to create a new web application, passing the mvc parameter as the template type.

dotnet new mvc

When the CLI command completes; the following output and files are produced.

Content generation time: 79.6691 ms
The template "Empty ASP.NET Core Web Application" created successfully.

Startup.cs : Startup Class - class configures the request pipeline that handles all requests made to the application.
Program.cs : Program Class that contains the Main entry point of the application.
firstapp.csproj : Project file MSBuild Project file format for ASP.NET Core applications. Contains Project to Project references, NuGet References and other project related items.
appsettings.json / appsettings.Development.json : Environment base app settings configuration file. See Configuration.
bower.json : Bower package dependencies for the project.
.bowerrc : Bower configuration file which defines where to install the components when Bower downloads the assets.
bundleconfig.json : configuration files for bundling and minifying front-end JavaScript and CSS assets.
Views : Contains the Razor views. Views are the components that display the app's user interface (UI). Generally, this UI displays the model data.
Controllers : Contains MVC Controllers, initially HomeController.cs. Controllers are classes that handle browser requests.
wwwroot : Web application root folder.

For more on the MVC pattern see What is the MVC pattern?.

Developing ASP.NET Core applications on a Mac with Visual Studio Code

Select the Program.cs file and Visual Studio Code will prompt to restore the needed project dependencies and add build and debug dependencies.

Tap "Yes" to add the build and debug assets.

Tap "Restore" to restore the project dependencies. Alternately, you can run dotnet restore from the terminal or enter ⌘⇧P or Ctrl+Shift+P in Visual Studio Code and then type .NET as shown:

If this is your first time using Visual Studio Code (or just Code for short), note that it provides a very streamlined, fast, clean interface for quickly working with files, while still providing tooling to make writing code extremely productive.

In the left navigation bar, there are five icons, representing four viewlets:

Explore
Search
Git
Debug
Extensions

The Explorer viewlet allows you to quickly navigate within the folder system, as well as easily see the files you are currently working with. It displays a badge to indicate whether any files have unsaved changes, and new folders and files can easily be created (without having to open a separate dialog window). You can easily Save All from a menu option that appears on mouse over, as well.

The Search viewlet allows you to quickly search within the folder structure, searching filenames as well as contents.

Code will integrate with Git if it is installed on your system. You can easily initialize a new repository, make commits, and push changes from the Git viewlet.

The Debug viewlet supports interactive debugging of applications.

Code's editor has a ton of great features. You'll notice unused using statements are underlined and can be removed automatically by using ⌘ . or Ctrl + . when the lightbulb icon appears. Classes and methods also display how many references there are in the project to them.

Running locally using Kestrel

The sample is configured to use Kestrel for the web server.

Using Visual Studio Code debugger

If you chose to have the debug and build assets added to the project:

Tap the Debug icon in the View Bar on the left pane
Tap the "Play (F5)" icon to launch the app

Your default browser will automatically launch and navigate to http://localhost:5000

To stop the application, close the browser and hit the "Stop" icon on the debug bar

Using the dotnet commands

Run dotnet run command to launch the app from terminal/bash
Navigate to http://localhost:5000
To stop the web server enter ⌃+C or Ctrl+C.

Publishing to Azure

Once you've developed your application, you can easily use the Git integration built into Visual Studio Code to push updates to production, hosted on Microsoft Azure.

Initialize Git

Initialize Git in the folder you're working in. Tap on the Git viewlet and click the Initialize Git repository button.

Add a commit message and tap enter or tap the checkmark icon to commit the staged files.

Git is tracking changes, so if you make an update to a file, the Git viewlet will display the files that have changed since your last commit.

Initialize Azure Website

You can deploy to Azure Web Apps directly using Git.

If you don't have an Azure account, you can create a free trial.

Create a Web App in the Azure Portal to host your new application.

Configure the Web App in Azure to support continuous deployment using Git.

Record the Git URL for the Web App from the Azure portal.

In a Terminal window, add a remote named azure with the Git URL you noted previously.

git remote add azure https://shayneboyer@myfirstappmac.scm.azurewebsites.net:443/MyFirstAppMac.git

Push to master. git push azure master to deploy.

Browse to the newly deployed web app.

Looking at the Deployment Details in the Azure Portal, you can see the logs and steps each time there is a commit to the branch.

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