add: envoy binary file in backend image

modules/backend/Dockerfile

@@ -28,12 +28,14 @@ RUN --mount=type=cache,target=/go/pkg/mod \
     go build -gcflags "all=-N -l" -ldflags "-s -w -X 'main.GoVersion=$(go version)' -X 'main.BuildTime=$(date "+%F %T")'" -o entry modules/$MODULE/main.go \
     && upx -6 entry
 
+FROM envoyproxy/envoy:distroless-v1.30.4 AS envoy-alpine
+
 FROM chromedp/headless-shell
-
 EXPOSE $PORT
 ENV TZ=Asia/Shanghai
+COPY --from=envoy-alpine --chmod=755 /usr/local/bin/envoy /usr/local/bin
 RUN DEBIAN_FRONTEND=noninteractive TZ=Asia/Shanghai apt-get -qq update \
-   && apt-get -qq install -y --no-install-recommends ca-certificates curl tzdata
+   && apt-get -qq install -y --no-install-recommends ca-certificates curl tzdata 
 # RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories \
 #     && apk upgrade --no-cache --available \
 #     && apk --no-cache add tzdata ca-certificates libc6-compat libgcc libstdc++ curl

modules/backend/app/mobile/grpc_server.go

@@ -2,18 +2,19 @@ package mobile
 
 import (
 	"context"
+	"math"
+	"net"
+	"time"
+
 	"github.com/bellis-daemon/bellis/modules/backend/midwares"
 	"github.com/minoic/glgf"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/keepalive"
-	"math"
-	"net"
-	"time"
 )
 
 var (
-	server *grpc.Server
+	server    *grpc.Server
 )
 
 func init() {
@@ -55,10 +56,9 @@ func ServeGrpc(ctx context.Context, lis net.Listener) {
 			panic(err)
 		}
 	}()
-	select {
-	case <-ctx.Done():
-		server.GracefulStop()
-	}
+	<-ctx.Done()
+	glgf.Info("Stopping GRPC server...")
+	server.GracefulStop()
 }
 
 func Server() *grpc.Server {

modules/backend/main.go

@@ -57,7 +57,7 @@ func main() {
 	go web.ServeWeb(ctx, webL)
 	go m.Serve()
 	go RunHeadlessChrome()
-	quit := make(chan os.Signal)
+	quit := make(chan os.Signal, 1)
 	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
 	<-quit
 	glgf.Warn("Shutting down server")