Update Dockerfile

Dockerfile

@@ -20,7 +20,7 @@ COPY ./nginx.conf /etc/nginx/nginx.conf
 COPY --from=build /usr/src/app/dist/my-app /usr/share/nginx/html
 
 COPY src/manage /usr/share/nginx/html/manage
-
+RUN apk add util-linux
 RUN cp /usr/share/nginx/html/manage/v1/api.template /usr/share/nginx/html/manage/v1/api
 RUN sed -i "s/{RELEASE_DATE}/$(date +%F)/g" /usr/share/nginx/html/manage/v1/api 
 RUN sed  -i "s/{API_VERSION}/2.0/g" /usr/share/nginx/html/manage/v1/api