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How to Automatically Open a Browser After Starting a Go HTTP Server?

Barbara Streisand

Dec 15, 2024 pm 04:49 PM

How to Automatically Open a Browser After Starting a Go HTTP Server?

Opening the Browser After Server Start

In Go, opening a browser after the server has started listening can be achieved with a slightly modified approach. Here's how to do it:

Code

Explanation

The code follows this process:

Open the listener: A TCP listener is created and opened on port 3000. This allows the server to start listening for incoming connections.
Start the browser: Using the open-golang/open package, the browser is opened to the test URL ("http://localhost:3000/test"). The browser can connect to the server because the listening socket is already open.
Enter the server loop: Finally, the http.Serve method is called, which enters the main server loop. The server waits for incoming connections and handles requests accordingly.

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