fix: port should actually be used, use port as int in api request

.env.example

@@ -12,8 +12,9 @@ REDIRECT_URI=http://localhost:8081/api/auth/callback
 CLIENT_ID=
 CLIENT_SECRET=
 
-# Listening port
-PORT=
+# Listen address (if the IP address is empty, it will default to 127.0.0.1)
+# e.g. 127.0.0.1:8081 or :8081
+LISTEN_ADDRESS=:8081
 
 # S3
 S3_ENDPOINT=

main.go

@@ -27,6 +27,7 @@ import (
 	"net/http"
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/gin-gonic/gin"
 	"github.com/joho/godotenv"
@@ -61,7 +62,7 @@ func main() {
 	databaseType := getEnv("DATABASE_TYPE", "sqlite")
 	sqliteFile := getEnv("SQLITE_FILE", "stereo.db")
 	boxyApiUrl := getEnv("BOXY_URL", "")
-	port := getEnv("PORT", "8081")
+	listenAddr := getEnv("LISTEN_ADDRESS", ":8081")
 
 	imagePath := getEnv("IMAGE_PATH", os.TempDir())
 
@@ -134,6 +135,10 @@ func main() {
 		boxyClientSecret := requireEnv("BOXY_CLIENT_SECRET")
 		boxyClientAddress := getEnv("BOXY_CLIENT_ADDRESS", "")
 
+		port, err := strconv.Atoi(strings.Split(listenAddr, ":")[1])
+
+		fmt.Printf("Using port %d\n", port)
+
 		rawBody := map[string]any{
 			"port":     port,
 			"hostname": c.Domain,
@@ -152,9 +157,9 @@ func main() {
 
 		req.SetBasicAuth(boxyClientName, boxyClientSecret)
 
-		http.DefaultClient.Do(req)
+		resp, _ := http.DefaultClient.Do(req)
 
-		if req.Response.StatusCode != 200 {
+		if resp.StatusCode != 200 {
 			log.Fatal("Could not register with Boxy.\nStatus Code: " + strconv.Itoa(req.Response.StatusCode))
 			return
 		}
@@ -163,6 +168,6 @@ func main() {
 	}
 
 	api.Register(&c)
-	fmt.Printf("Running on port %s\n", port)
-	c.Router.Run()
+	fmt.Printf("Listening on %s\n", listenAddr)
+	c.Router.Run(listenAddr)
 }