Build Web Application With Golang May 2026

: Initialize your project by running go mod init in your terminal.

: Starts the server. If it fails, it returns an error you can log. 3. Key Concepts for Web Apps Build web application with Golang

package main import ( "fmt" "net/http" ) func helloHandler(w http.ResponseWriter, r *http.Request) { fmt.Fprintf(w, "Hello, you've reached %s!", r.URL.Path) } func main() { http.HandleFunc("/", helloHandler) // Route requests to the handler fmt.Println("Starting server on :8080...") http.ListenAndServe(":8080", nil) // Listen on port 8080 } Use code with caution. Copied to clipboard : Initialize your project by running go mod

To begin, you need to install Go and initialize a new module to manage your dependencies. A basic server requires a to process requests

A basic server requires a to process requests and a listener to start the service.

: Registers a pattern (like / ) and a function to handle it.