add upgrader option

.github/workflows/ci.yaml

@@ -4,7 +4,6 @@ on: [push]
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -12,7 +11,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.16'
+          go-version: "1.21"
 
       - name: Install dependencies
         run: go get .

ws/server.go

@@ -10,6 +10,10 @@ import (
 
 var upgrader = websocket.Upgrader{} // use default options
 
+func SetUpgrader(u websocket.Upgrader) {
+	upgrader = u
+}
+
 func LogSocketHandler(w http.ResponseWriter, r *http.Request) {
 	c, err := upgrader.Upgrade(w, r, nil)
 	if err != nil {