Dockerfile

ARG REPO=mcr.microsoft.com/dotnet/core/runtime-deps
FROM $REPO:3.0-alpine3.9 AS build-env

# Disable the invariant mode (set in base image)
RUN apk add --no-cache icu-libs

ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=false \
    LC_ALL=en_US.UTF-8 \
    LANG=en_US.UTF-8

# Install .NET Core SDK
ENV DOTNET_SDK_VERSION 3.0.100-preview6-012264

RUN wget -O dotnet.tar.gz https://dotnetcli.blob.core.windows.net/dotnet/Sdk/$DOTNET_SDK_VERSION/dotnet-sdk-$DOTNET_SDK_VERSION-linux-musl-x64.tar.gz \
    && dotnet_sha512='c130bf9cf4e05071200762686590da138b9cde32bdf209c8d659a6ac250554ab0d190f6b5327e618bcd85c1f35192ba197940fe5de01b8498185cfeee6bc84f4' \
    && echo "$dotnet_sha512  dotnet.tar.gz" | sha512sum -c - \
    && mkdir -p /usr/share/dotnet \
    && tar -C /usr/share/dotnet -xzf dotnet.tar.gz \
    && ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet \
    && rm dotnet.tar.gz

# Enable correct mode for dotnet watch (only mode supported in a container)
ENV DOTNET_USE_POLLING_FILE_WATCHER=true \
    # Skip extraction of XML docs - generally not useful within an image/container - helps performance
    NUGET_XMLDOC_MODE=skip

# Trigger first run experience by running arbitrary cmd
RUN dotnet help

# Install PowerShell global tool
ENV POWERSHELL_VERSION 6.2.1

RUN wget -O PowerShell.Linux.Alpine.$POWERSHELL_VERSION.nupkg https://pwshtool.blob.core.windows.net/tool/$POWERSHELL_VERSION/PowerShell.Linux.Alpine.$POWERSHELL_VERSION.nupkg \
    && powershell_sha512='0cbed2f335a5b3fee907c4c4c67521bf96b753a61bb842975793644ed9f69f2b82d459fd3778086e980aa681a0d44d2523ee429c288e7cc0c0623cb200c3fa3a' \
    && echo "$powershell_sha512  PowerShell.Linux.Alpine.$POWERSHELL_VERSION.nupkg" | sha512sum -c - \
    && mkdir -p /usr/share/powershell \
    && dotnet tool install --add-source / --tool-path /usr/share/powershell --version $POWERSHELL_VERSION PowerShell.Linux.Alpine \
    && rm PowerShell.Linux.Alpine.$POWERSHELL_VERSION.nupkg \
    && ln -s /usr/share/powershell/pwsh /usr/bin/pwsh \
    # To reduce image size, remove the copy nupkg that nuget keeps.
    && find /usr/share/powershell -print | grep -i '.*[.]nupkg$' | xargs rm \
    # Add ncurses-terminfo-base to resolve psreadline dependency
    && apk add --no-cache ncurses-terminfo-base


WORKDIR /app

# Copy csproj and restore as distinct layers
COPY *.csproj ./
RUN dotnet restore

# Copy everything else and build
COPY . ./
RUN dotnet publish -c Release -o out
#EXPOSE 5000
#ENV ASPNETCORE_URLS=http://*:5000

#ENV ASPNETCORE_URLS=http://+:5000

# Build runtime image

CMD ASPNETCORE_URLS=http://*:$PORT dotnet /app/out/ASPDotNetCore3Crawl.dll

#ENTRYPOINT ["dotnet", "/app/out/ASPDotNetCore3Crawl.dll"]