optimize go build options

Dockerfile

@@ -1,9 +1,13 @@
 FROM golang:1.23-alpine as build
+
+ARG GOARCH=amd64
+
 WORKDIR /app
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
-RUN go build -o main .
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} \
+    go build -trimpath -ldflags="-s -w" -o main .
 
 FROM gcr.io/distroless/static-debian12
 COPY --from=build /app/main /