How can I link my project to my test project through docker since I am adjusting the dockerfile and it would be through docker commands I have this doubt if you could help me it would be of great help since I have not found any reference on that point.

FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
WORKDIR /app
EXPOSE 80
EXPOSE 443

FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-test
ARG BUILD_CONFIGURATION=Release
WORKDIR /src
COPY ["*.sln", "."]
#COPY ["portal-web/portal-web.csproj", "portal-web/."]
#COPY ["portal-web-test/portal-web-test.csproj", "portal-web-test/."]
RUN dotnet restore
COPY . .
WORKDIR "/src/."
RUN dotnet build -c $BUILD_CONFIGURATION -o ./app/build