attaching visual studio code debugger to docker node.js

When Jest executes the test that contains the debugger statement, execution will pause and you can examine the current scope and call stack. Click the button that looks like a 'play' button in the upper right hand side of the screen to continue execution. The Chrome Developer Tools will be displayed, and a breakpoint will be set at the first line of the Jest CLI script (this is done to give you time to open the developer tools and to prevent Jest from executing before you have time to do so).

Click on the address displayed in the terminal (usually something like localhost:9229) after running the above command, and you will be able to debug Jest using Chrome's DevTools. When the container image is built and running in a Docker container, Visual Studio launches the web app in your default browser. Then, press Ctrl + F5 to build your Docker image and run it locally. To debug in Google Chrome (or any Chromium-based browser), open your browser and go to chrome://inspect and click on 'Open Dedicated DevTools for Node', which will give you a list of available node instances you can connect to. For more information, see Razor file compilation in ASP.NET Core. Note that the process will pause until the debugger has connected to it. This will run Jest in a Node process that an external debugger can connect to. The generated app has the following directory structure. Then load in your browser to access the app. On Windows PowerShell, use this command: PS> $env:DEBUG='myapp:*' npm start On Windows Command Prompt, use this command: > set DEBUG=myapp:* & npm start On MacOS or Linux, run the app with this command: $ DEBUG=myapp:* npm start

The app will be created in a folder named myapp in the current working directory and the view engine will be set to Pug: $ express -view=pug myappĬreate : myapp/public/stylesheets/style.css c, -css add stylesheet support (less|stylus|compass|sass) (defaults to plain css)įor example, the following creates an Express app named myapp. v, -view add view support (ejs|hbs|hjs|jade|pug|twig|vash) (defaults to jade) $ npx express-generatorįor earlier Node versions, install the application generator as a global npm package and then launch it: $ npm install -g express-generatorĭisplay the command options with the -h option: $ express -h You can run the application generator with the npx command (available in Node.js 8.2.0). Use the application generator tool, express-generator, to quickly create an application skeleton.

Attaching visual studio code debugger to docker node.js