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csharpfritz/Dockerfile

Created February 26, 2024 16:38
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Dockerfile for Raspberry Pi 3b sample
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Dockerfile
FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0-preview-alpine AS build
ARG TARGETARCH
WORKDIR /source
# copy csproj and restore as distinct layers
COPY Fritz.DemoPi/*.csproj .
RUN dotnet restore -a $TARGETARCH
# copy everything else and build app
COPY Fritz.DemoPi/. .
COPY .git/. .git/.
RUN dotnet publish -a $TARGETARCH --no-restore -o /app
# final stage/image
# .NET 8 tag includes `-preview`
FROM mcr.microsoft.com/dotnet/aspnet:8.0-preview-alpine
# These ENVs are only needed because the sample uses .NET 7
ENV DOTNET_ROLL_FORWARD=Major
ENV DOTNET_ROLL_FORWARD_PRE_RELEASE=1
WORKDIR /app
COPY --from=build /app .
USER $APP_UID
ENTRYPOINT ["./Fritz.DemoPi"]
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