Fix swagger favicon

Author: AchoArnold

api/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"os"
+	"strings"
 
 	"github.com/NdoleStudio/httpsms/docs"
 	"github.com/NdoleStudio/httpsms/pkg/di"
@@ -33,7 +34,12 @@ func main() {
 		di.LoadEnv()
 	}
 
-	docs.SwaggerInfo.Host = os.Getenv("SWAGGER_HOST")
+	if host := strings.TrimSpace(os.Getenv("SWAGGER_HOST")); len(host) > 0 {
+		docs.SwaggerInfo.Host = host
+	}
+	if len(Version) > 0 {
+		docs.SwaggerInfo.Version = Version
+	}
 
 	container := di.NewContainer("http-sms", Version)
 	container.Logger().Info(container.App().Listen(fmt.Sprintf("%s:%s", os.Getenv("APP_HOST"), os.Getenv("APP_PORT"))).Error())

api/pkg/di/container.go

@@ -9,6 +9,8 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/NdoleStudio/httpsms/docs"
+
 	otelMetric "go.opentelemetry.io/otel/metric"
 
 	"github.com/dgraph-io/ristretto"
@@ -1344,7 +1346,16 @@ func (container *Container) RegisterEventRoutes() {
 // RegisterSwaggerRoutes registers routes for swagger
 func (container *Container) RegisterSwaggerRoutes() {
 	container.logger.Debug(fmt.Sprintf("registering %T routes", swagger.HandlerDefault))
-	container.App().Get("/*", swagger.HandlerDefault)
+	container.App().Get("/*", swagger.New(swagger.Config{
+		Title: docs.SwaggerInfo.Title,
+		CustomScript: `
+		document.addEventListener("DOMContentLoaded", function(event) {
+			var links = document.querySelectorAll("link[rel~='icon']");
+			links.forEach(function (link) {
+				link.href = 'https://httpsms.com/favicon.ico';
+			});
+		});`,
+	}))
 }
 
 // HeartbeatRepository registers a new instance of repositories.HeartbeatRepository