Dockerfile for asp dotnet core with timezone change, npm install, and two-stage build process. This uses the 'aspnetcore-build' container to produce the build with ALL of the SDK dependencies, and the 'aspnetcore' container to run the code itself, cutting down the production container's size.

Dockerfile

FROM microsoft/aspnetcore-build:2.0 AS build-env
WORKDIR /app

# Copy csproj and restore as distinct layers
COPY *.csproj ./
RUN dotnet restore

# Copy everything else and build
COPY . ./
RUN rm -rf node_modules && npm install
RUN dotnet publish -c Release -o out

# Build runtime image
FROM microsoft/aspnetcore:2.0

# Change timezone to local time
ENV TZ=America/Toronto
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

WORKDIR /app
COPY --from=build-env /app/out .
ENTRYPOINT ["dotnet", "MyApp.dll"]