added dockerfile

.dockerignore

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+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

Diligent.WebAPI.Host/Dockerfile

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+#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/aspnet:6.0 AS base
+WORKDIR /app
+EXPOSE 80
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
+WORKDIR /src
+COPY ["Diligent.WebAPI.Host/Diligent.WebAPI.Host.csproj", "Diligent.WebAPI.Host/"]
+COPY ["Diligent.WebAPI.Business/Diligent.WebAPI.Business.csproj", "Diligent.WebAPI.Business/"]
+COPY ["Diligent.WebAPI.Contracts/Diligent.WebAPI.Contracts.csproj", "Diligent.WebAPI.Contracts/"]
+COPY ["Diligent.WebAPI.Data/Diligent.WebAPI.Data.csproj", "Diligent.WebAPI.Data/"]
+RUN dotnet restore "Diligent.WebAPI.Host/Diligent.WebAPI.Host.csproj"
+COPY . .
+WORKDIR "/src/Diligent.WebAPI.Host"
+RUN dotnet build "Diligent.WebAPI.Host.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "Diligent.WebAPI.Host.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "Diligent.WebAPI.Host.dll"]