Refactor

Signed-off-by: Oliver Davies <oliver@oliverdavies.uk>

go-api/go.mod

@@ -0,0 +1,3 @@
+module go-api
+
+go 1.24.4

go-api/main.go

@@ -4,6 +4,8 @@ import (
 	"encoding/json"
 	"log"
 	"net/http"
+
+	"go-api/utils"
 )
 
 type ErrorResponse struct {
@@ -18,7 +20,7 @@ type SuccessResponse struct {
 func handler(w http.ResponseWriter, r *http.Request) {
 	log.Println("Running handler...")
 
-	code := getResponseCode(r)
+	code := utils.GetResponseCode(r)
 
 	w.WriteHeader(code)
 	w.Header().Set("Content-Type", "application/json")
@@ -38,7 +40,7 @@ func handler(w http.ResponseWriter, r *http.Request) {
 func main() {
 	http.HandleFunc("/", handler)
 
-	addr := ":" + getPort()
+	addr := ":" + utils.GetPort()
 
 	log.Printf("Starting server on %s", addr)
 

go-api/utils/utils.go

@@ -1,4 +1,4 @@
-package main
+package utils
 
 import (
 	"log"
@@ -7,7 +7,7 @@ import (
 	"strconv"
 )
 
-func getPort() string {
+func GetPort() string {
 	port := os.Getenv("PORT")
 
 	if port != "" {
@@ -17,7 +17,7 @@ func getPort() string {
 	return "8080"
 }
 
-func getResponseCode(r *http.Request) int {
+func GetResponseCode(r *http.Request) int {
 	// If the `force-fail` header is set, get and return its value.
 	if failCode := r.Header.Get("force-fail"); failCode != "" {
 		log.Println("`force-fail` header set...")