Dockerfile for .NET projects. Supports caching nuget packages

Dockerfile

FROM mcr.microsoft.com/dotnet/sdk:8.0-alpine AS builder
WORKDIR /source
# COPY ./libs/ ./libs/
COPY ./*.sln ./nuget.config /*.props /*.targets ./
# Copy the main source project files
COPY src/*/*.csproj ./
RUN for file in $(ls *.csproj); do mkdir -p src/${file%.*}/ && mv $file src/${file%.*}/; done
RUN dotnet restore -r linux-musl-x64

# Copy across the rest of the source files
COPY ./src ./src
RUN dotnet publish ./src/Web/Web.csproj -c Release -r linux-musl-x64 -o /app/out --no-restore --self-contained

FROM mcr.microsoft.com/dotnet/runtime-deps:8.0-alpine
WORKDIR /app
COPY --from=builder /app/out .
USER $APP_UID
ENTRYPOINT ["./Web"]