Visual Studio

Press Ctrl+F5 to run without the debugger.

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Visual Studio starts IIS Express and runs the app. The address bar shows localhost:port# and not something like example.com. That's because localhost is the standard hostname for the local computer. Localhost only serves web requests from the local computer. When Visual Studio creates a web project, a random port is used for the web server.

Visual Studio Code

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Press Ctrl-F5 to run without the debugger.

Visual Studio Code starts Kestrel, launches a browser, and navigates to http://localhost:5001. The address bar shows localhost:port# and not something like example.com. That's because localhost is the standard hostname for local computer. Localhost only serves web requests from the local computer.

Select Run > Start Without Debugging to launch the app.

Visual Studio for Mac:
- Starts Kestrel server.
- Launches a browser.
- Navigates to http://localhost:port, where port is a randomly chosen port number.
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From Visual Studio, press Opt-Cmd-Return to run without the debugger. Alternatively, navigate to the menu bar and go to Run>Start Without Debugging.

Visual Studio starts Kestrel, launches a browser, and navigates to http://localhost:5001.