initial commit

Change-Id: Ia748646eaf5c18f44eb5b147ff577d0d5ee844e8

worker/Dockerfile

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+# because of dotnet, we always build on amd64, and target platforms in cli
+# dotnet doesn't support QEMU for building or running. 
+# (errors common in arm/v7 32bit) https://github.com/dotnet/dotnet-docker/issues/1537
+# https://hub.docker.com/_/microsoft-dotnet
+# hadolint ignore=DL3029
+# to build for a different platform than your host, use --platform=<platform>
+# for example, if you were on Intel (amd64) and wanted to build for ARM, you would use:
+# docker buildx build --platform "linux/arm64/v8" .
+
+# build compiles the program for the builder's local platform
+FROM --platform=${BUILDPLATFORM} mcr.microsoft.com/dotnet/sdk:7.0 AS build
+ARG TARGETPLATFORM
+ARG TARGETARCH
+ARG BUILDPLATFORM
+RUN echo "I am running on $BUILDPLATFORM, building for $TARGETPLATFORM"
+
+WORKDIR /source
+COPY *.csproj .
+RUN dotnet restore -a $TARGETARCH
+
+COPY . .
+RUN dotnet publish -c release -o /app -a $TARGETARCH --self-contained false --no-restore
+
+# app image
+FROM mcr.microsoft.com/dotnet/runtime:7.0
+WORKDIR /app
+COPY --from=build /app .
+ENTRYPOINT ["dotnet", "Worker.dll"]