feat: enabled cors for react:3000 app

Author: tsypuk

go.mod

@@ -3,6 +3,7 @@ module aws-client-monitor
 go 1.23.1
 
 require (
+	github.com/gin-contrib/cors v1.7.2
 	github.com/gin-gonic/contrib v0.0.0-20240508051311-c1c6bf0061b0
 	github.com/gin-gonic/gin v1.10.0
 	github.com/goccy/go-json v0.10.3

go.sum

@@ -14,6 +14,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gabriel-vasile/mimetype v1.4.6 h1:3+PzJTKLkvgjeTbts6msPJt4DixhT4YtFNf1gtGe3zc=
 github.com/gabriel-vasile/mimetype v1.4.6/go.mod h1:JX1qVKqZd40hUPpAfiNTe0Sne7hdfKSbOqqmkq8GCXc=
+github.com/gin-contrib/cors v1.7.2 h1:oLDHxdg8W/XDoN/8zamqk/Drgt4oVZDvaV0YmvVICQw=
+github.com/gin-contrib/cors v1.7.2/go.mod h1:SUJVARKgQ40dmrzgXEVxj2m7Ig1v1qIboQkPDTQ9t2E=
 github.com/gin-contrib/gzip v0.0.6 h1:NjcunTcGAj5CO1gn4N8jHOSIeRFHIbn51z6K+xaN4d4=
 github.com/gin-contrib/gzip v0.0.6/go.mod h1:QOJlmV2xmayAjkNS2Y8NQsMneuRShOU/kjovCXNuzzk=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=

internal/router/router.go

@@ -3,6 +3,8 @@ package router
 import (
 	"aws-client-monitor/docs"
 	"aws-client-monitor/internal/handler"
+	"github.com/gin-contrib/cors"
+	//"github.com/gin-gonic/contrib/cors"
 	"github.com/gin-gonic/contrib/static"
 	"github.com/gin-gonic/gin"
 	swaggerfiles "github.com/swaggo/files"
@@ -11,6 +13,14 @@ import (
 
 func CreateRouter(router *gin.Engine) *gin.Engine {
 	docs.SwaggerInfo.BasePath = "/api/v1"
+
+	// CORS middleware setup
+	router.Use(cors.New(cors.Config{
+		AllowOrigins:     []string{"http://localhost:3000"},
+		AllowMethods:     []string{"GET", "POST", "PUT", "PATCH", "DELETE"},
+		AllowHeaders:     []string{"Origin", "Content-Type", "Accept"},
+		AllowCredentials: true,
+	}))
 	v1 := router.Group("/api/v1")
 	{
 		v1.GET("/status", handler.StatusHandler)