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Dockerfile
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Dockerfile
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#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443
FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
WORKDIR /src
COPY ["SampleHerokuContainer.csproj", ""]
RUN dotnet restore "./SampleHerokuContainer.csproj"
COPY . .
WORKDIR "/src/."
RUN dotnet build "SampleHerokuContainer.csproj" -c Release -o /app/build
FROM build AS publish
RUN dotnet publish "SampleHerokuContainer.csproj" -c Release -o /app/publish
FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
#ENTRYPOINT ["dotnet", "SampleHerokuContainer.dll"]
# heroku uses the following
CMD ASPNETCORE_URLS=http://*:$PORT dotnet SampleHerokuContainer.dll