Dockerfile

########################################
#  First stage of multistage build
########################################
#  Use Build image with label `builder
########################################
FROM mcr.microsoft.com/dotnet/sdk:5.0-alpine AS builder

# Setup working directory for project
WORKDIR /app

COPY ./Core/Core.csproj ./Core/
COPY ./Core.Marten/Core.Marten.csproj ./Core.Marten/
COPY ./Sample/Tickets/Tickets/Tickets.csproj ./Sample/Tickets/Tickets/
COPY ./Sample/Tickets/Tickets.Api/ ./Sample/Tickets/Tickets.Api/

# Restore nuget packages
RUN dotnet restore ./Sample/Tickets/Tickets.Api/Tickets.Api.csproj

# Copy project files
COPY ./Core ./Core
COPY ./Core.Marten ./Core.Marten
COPY ./Sample/Tickets/Tickets ./Sample/Tickets/Tickets
COPY ./Sample/Tickets/Tickets.Api ./Sample/Tickets/Tickets.Api

# Build project with Release configuration
# and no restore, as we did it already
RUN dotnet build -c Release --no-restore ./Sample/Tickets/Tickets.Api/Tickets.Api.csproj

## Test project with Release configuration
## and no build, as we did it already
#RUN dotnet test -c Release --no-build ./Sample/Tickets/Tickets.Api/Tickets.Api.csproj


# Publish project to output folder
# and no build, as we did it already
WORKDIR /app/Sample/Tickets/Tickets.Api
RUN ls
RUN dotnet publish -c Release --no-build -o out

########################################
#  Second stage of multistage build
########################################
#  Use other build image as the final one
#    that won't have source codes
########################################
FROM mcr.microsoft.com/dotnet/aspnet:5.0-alpine

# Setup working directory for project
WORKDIR /app

# Copy published in previous stage binaries
# from the `builder` image
COPY --from=builder /app/Sample/Tickets/Tickets.Api/out .

# Set URL that App will be exposed
ENV ASPNETCORE_URLS="http://*:5000"

# sets entry point command to automatically
# run application on `docker run`
ENTRYPOINT ["dotnet", "Tickets.Api.dll"]