Docker alpine hangs while apk add

[medicharlachiranjeevi]

My docker version is : 19.03.12

os: ubuntu : 20.04

every time i run docker build it hangs at apk add some package any help

My Dockerfile is

FROM ruby:2.7.1-alpine AS build-env
ARG RAILS_ROOT=/app
ARG BUILD_PACKAGES="build-base curl-dev git"
ARG DEV_PACKAGES="postgresql-dev yaml-dev zlib-dev nodejs yarn imagemagick"
ARG RUBY_PACKAGES="tzdata"
ENV RAILS_ENV=staging
ENV BUNDLE_APP_CONFIG="$RAILS_ROOT/.bundle"
WORKDIR $RAILS_ROOT
RUN apk update \ && apk upgrade \ && apk add --update --no-cache $BUILD_PACKAGES $DEV_PACKAGES $RUBY_PACKAGES
COPY Gemfile* package.json yarn.lock ./
COPY Gemfile Gemfile.lock $RAILS_ROOT/
RUN bundle config --global frozen 1 \ && bundle install --without development:test:assets -j4 --retry 3 --path=vendor/bundle \ && rm -rf vendor/bundle/ruby/2.5.0/cache/*.gem \ && find vendor/bundle/ruby/2.5.0/gems/ -name "*.c" -delete \ && find vendor/bundle/ruby/2.5.0/gems/ -name "*.o" -delete
RUN yarn install
COPY . .

RUN bundle exec rake DATABASE_URL=postgresql:does_not_exist assets:precompile
RUN rm -rf node_modules tmp/cache app/assets vendor/assets spec
############### Build step done ###############
FROM ruby:2.7.1-alpine
ARG RAILS_ROOT=/app
ARG PACKAGES="tzdata postgresql-client imagemagick"
ENV RAILS_ENV=staging
ENV BUNDLE_APP_CONFIG="$RAILS_ROOT/.bundle"
WORKDIR $RAILS_ROOT
RUN apk update \ && apk upgrade \ && apk add --update --no-cache $PACKAGES
COPY --from=build-env $RAILS_ROOT $RAILS_ROOT
EXPOSE 3000
CMD ["rails", "server", "-b", "0.0.0.0"]

[masterkain]

I have the same issue, same image (ruby 2.7 alpine), hangs while doing /bin/sh var/cache/misc/shared-mime-info-1.15-r0.trigger /usr/share/mime