O'Reilly logo

Go Web Development Cookbook by Arpit Aggarwal

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

How it works…

Once we run the program, an HTTP server will start locally listening on port 8080. Opening http://localhost:8080 in a browser will display Hello World! from the server, as shown in the following screenshot:

Hello World!

Let’s understand what each line in the program means:

  • package main: This defines the package name of the program.
  • import ( "fmt" "log" "net/http" ): This is a preprocessor command that tells the Go compiler to include all files from fmt, log, and the net/http package.
  • const ( CONN_HOST = "localhost" CONN_PORT = "8080" ): We declare constants in the Go program using the const keyword. Here we declared two constants—one ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required