updated for static build

Dockerfile

@@ -4,8 +4,12 @@ WORKDIR /app
 
 COPY . .
 
-RUN go mod tidy && go build
-
+RUN apk update && \
+    apk upgrade && \
+    apk add binutils && \
+    go mod tidy && \
+    go build && \
+    strip auth_service
 FROM alpine:latest AS build-release-stage
 
 WORKDIR /data