Add etcd as a service discovery mechanism

internal/push/onlinepusher.go

@@ -2,7 +2,6 @@ package push
 
 import (
 	"context"
-	"fmt"
 	"github.com/openimsdk/protocol/msggateway"
 	"github.com/openimsdk/protocol/sdkws"
 	"github.com/openimsdk/tools/discovery"
@@ -82,8 +81,6 @@ func (d *DefaultAllNode) GetConnsAndOnlinePush(ctx context.Context, msg *sdkws.M
 
 	// Online push message
 	for _, conn := range conns {
-		fmt.Println(ctx, "get gateway conn detail ", "conn ", *conn)
-
 		conn := conn // loop var safe
 		wg.Go(func() error {
 			msgClient := msggateway.NewMsgGatewayClient(conn)