add docker and readme (#1407)

Signed-off-by: zzjin <tczzjin@gmail.com>

pkg/utils/httpserver/cors.go

@@ -0,0 +1,31 @@
+// Copyright © 2022 sealos.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package httpserver
+
+import "github.com/emicklei/go-restful"
+
+//Cors is cors for restful utils
+func Cors(wsContainer *restful.Container) {
+	// Add container filter to enable CORS
+	cors := restful.CrossOriginResourceSharing{
+		ExposeHeaders:  []string{"X-My-Header"},
+		AllowedHeaders: []string{"Content-Type", "Accept"},
+		AllowedMethods: []string{"GET", "POST", "PUT", "DELETE"},
+		CookiesAllowed: true,
+		Container:      wsContainer}
+	wsContainer.Filter(cors.Filter)
+	// Add container filter to respond to OPTIONS
+	wsContainer.Filter(wsContainer.OPTIONSFilter)
+}

pkg/utils/httpserver/go_restful.go

@@ -18,7 +18,6 @@ import (
 	"net/http"
 
 	"github.com/emicklei/go-restful"
-	"github.com/labring/sealos/pkg/auth/utils"
 	"github.com/labring/sealos/pkg/utils/logger"
 )
 
@@ -32,7 +31,7 @@ func GoRestful(registerFunc func(*restful.WebService), addr string) error {
 
 	container.Add(webService)
 	//cors
-	utils.Cors(container)
+	Cors(container)
 
 	server := &http.Server{Addr: addr, Handler: container}
 	logger.Info("start listening on addr", addr)