fix(config): remove duplicate API_HOST and strip protocol prefix in main.go

backend/.env.example

@@ -42,4 +42,3 @@ CLOUDFLARE_ZONE_ID=your-zone-id
 CPANEL_HOST=https://cpanel.yourdomain.com:2083
 CPANEL_USERNAME=your-cpanel-username
 CPANEL_API_TOKEN=your-cpanel-api-token
-

backend/cmd/api/main.go

@@ -4,6 +4,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"strings"
 
 	"github.com/joho/godotenv"
 	"github.com/rede5/gohorsejobs/backend/docs"
@@ -38,6 +39,10 @@ func main() {
 	if apiHost == "" {
 		apiHost = "localhost:8521"
 	}
+	// Strip protocol schemes if present to ensure clean host for Swagger
+	apiHost = strings.TrimPrefix(apiHost, "http://")
+	apiHost = strings.TrimPrefix(apiHost, "https://")
+
 	docs.SwaggerInfo.Host = apiHost
 	docs.SwaggerInfo.Schemes = []string{"http", "https"}