Figuring out how to encode and send json data

main.go

@@ -1,8 +1,8 @@
 package main
 
 import (
+	"encoding/json"
 	"fmt"
-	"io"
 	"log"
 	"net/http"
 	"os"
@@ -11,10 +11,26 @@ import (
 	"time"
 )
 
+type response struct {
+	Field1 string
+	Field2 string
+}
+
 func main() {
+	test_response := response{
+		Field1: "hi",
+		Field2: "there",
+	}
+
 	http.HandleFunc("/foo", func(w http.ResponseWriter, r *http.Request) {
 		fmt.Println("Hi, ", r.Header)
-		w.Write([]byte("Hi there!"))
+
+		result, err := json.Marshal(test_response)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		w.Write(result)
 	})
 
 	http_server := &http.Server{
@@ -28,11 +44,6 @@ func main() {
 		log.Fatal(http_server.ListenAndServe())
 	}()
 	fmt.Println("Server started! Listening in on ", http_server.Addr)
-	time.Sleep(1 * time.Second)
-
-	resp, _ := http.Get("http://127.0.0.1:8080/foo") 
-	body, _ := io.ReadAll(resp.Body)
-	fmt.Println(string(body))
 
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, os.Interrupt, syscall.SIGTERM)