# WP-30: lean deployable image (optional — not used by the dev demo, which keeps the SDK
# image in the root docker-compose.yml for `dotnet run` hot-reload). Build from the repo
# root: `docker build -f backend/Dockerfile .`
FROM mcr.microsoft.com/dotnet/sdk:10.0 AS build
WORKDIR /src
COPY . .
RUN dotnet publish backend/src/BigRegister.Api -c Release -o /app

FROM mcr.microsoft.com/dotnet/aspnet:10.0
WORKDIR /app
COPY --from=build /app .
# LetterHtml.Render (WP-25) walks up from AppContext.BaseDirectory looking for a sibling
# public/letter.css (the FE⇄BE letter contract) — this keeps that lookup working here too.
COPY public ./public
ENTRYPOINT ["dotnet", "BigRegister.Api.dll"]