In this shot, we will use the standard `net/http` package to make a simple HTTP web server.

# Implementation

We will be writing an HTTP web server that listens on the port `8080`. The `net/http` package provides the function `ListenAndServe`. The first argument is the port number and the second is the handler, which is mainly used for HTTP/2 servers. However, we won't be using this parameter in this shot, so we pass `nil` for the default router:
```go
func main() {
    http.ListenAndServe(":8080", nil)
}
```  

Next, we will add a handler. A **handler** is a function that implements the `http.Handler` interface -- the handler takes an `http.ResponseWriter` and an `http.Request` as arguments.

Our `hello` handler responds using the `http.ResponseWriter w` with a, "Hello from the server!" message:
```go
func hello(w http.ResponseWriter, req *http.Request) {

    fmt.Fprintf(w, "Hello from the server!\n")
}
```
We finally register our `hello` handler on the server routes using the `http.HandleFunc` function, which sets up the default router in the `net/http` package and takes a function as an argument.
```go
http.HandleFunc("/hello", hello)
```
<br/>
Once all the pieces are put together, we will get the following HTTP server in Go.


package main
import (
    "fmt"
    "net/http"
)

// A handler for "/hello" route
func hello(w http.ResponseWriter, req *http.Request) {

    fmt.Fprintf(w, "Hello from the server!\n")
}

func main() {

    // Registering the hello handler
    http.HandleFunc("/hello", hello)

    // Listening on port 8080
    http.ListenAndServe(":8080", nil)
}

You can run the server on `localhost`. Accessing `localhost:8080/hello` route will return the response `"Hello from the server!\n"`, as expected.

How to make an HTTP server in Go

Use the net/http package in Go to create a simple HTTP server that listens on port 8080 and responds with "Hello from the server!" at the "/hello" route.