RUN dotnet publish -c release -o /app --no-restore

# https://hub.docker.com/_/microsoft-dotnet
FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
WORKDIR /source
# copy csproj and restore as distinct layers
COPY *.csproj .
RUN dotnet restore
# copy everything else and build app
COPY . .
RUN dotnet publish -c release -o /app --no-restore
# final stage/image
FROM mcr.microsoft.com/dotnet/aspnet:6.0
WORKDIR /app
COPY --from=build /app .
ENTRYPOINT ["dotnet", "aspnetapp.dll"]

[+] Building 12.2s (14/15)                                                                                                                     
 => [internal] load build definition from Dockerfile                                                                                      0.0s
 => => transferring dockerfile: 768B                                                                                                      0.0s
 => [internal] load .dockerignore                                                                                                         0.0s
 => => transferring context: 2B                                                                                                           0.0s
 => [internal] load metadata for mcr.microsoft.com/dotnet/aspnet:latest                                                                   0.3s
 => [internal] load metadata for mcr.microsoft.com/dotnet/sdk:latest                                                                      0.2s
 => [internal] load build context                                                                                                         0.5s
 => => transferring context: 17.79MB                                                                                                      0.5s
 => [build 1/7] FROM mcr.microsoft.com/dotnet/sdk@sha256:a7af03bdead8976d4e3715452fc985164db56840691941996202cea411953452                 0.0s
 => [stage-1 1/3] FROM mcr.microsoft.com/dotnet/aspnet@sha256:7696d5b456eede87434c232b9070f40659ff0c4b71ca622cf197815ccaee661d            0.0s
 => CACHED [stage-1 2/3] WORKDIR /app                                                                                                     0.0s
 => CACHED [build 2/7] WORKDIR /source                                                                                                    0.0s