Require Help translating piece of docker file from Ubuntu to Alpine

I would like to be able to have this in alpine image instead of UBUNTU, what would I have to change to achieve that, ?

Stage 2 - Creating Image for compiled app

FROM microsoft/dotnet:2.2-aspnetcore-runtime-bionic as baseimage
WORKDIR /app
ENV CORECLR_ENABLE_PROFILING=“1”
ASPNETCORE_ENVIRONMENT=“production”
CORECLR_PROFILER="{36032161-FFC0-4B61-B559-F6C5D41BAE5A}"
CORECLR_NEWRELIC_HOME="/usr/local/newrelic-netcore20-agent"
CORECLR_PROFILER_PATH="/usr/local/newrelic-netcore20-agent/libNewRelicProfiler.so"
NEW_RELIC_LICENSE_KEY=""
NEW_RELIC_APP_NAME=“industry”

ARG NewRelic=“newrelic/”
COPY $NewRelic ./newrelic

RUN dpkg -i ./newrelic/newrelic-netcore20-agent_8.6.45.0_amd64.deb

RUN apt-get update
RUN apt-get -y install curl gnupg
RUN curl -sL https://deb.nodesource.com/setup_11.x | bash -
RUN apt-get -y install nodejs
RUN npm install

COPY --from=builder /app .
ENV ASPNETCORE_URLS=http://+:$port

Run the application. REPLACE the name of dll with the name of the dll produced by your application

EXPOSE 80
CMD [“dotnet”, “Spa.dll”]