devops: added dockerfile and other configs

Dockerfile

@@ -0,0 +1,32 @@
+# ===== Build stage =====
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /src
+
+# Copia nuget.config de la raíz (con BaGet + nuget.org)
+COPY nuget.config ./
+
+# Copia SOLO los .csproj que DAL necesita (para cache de restore)
+COPY Core.Inventory.DAL.API/Core.Inventory.DAL.API.csproj Core.Inventory.DAL.API/
+COPY Core.Inventory.Domain/Core.Inventory.Domain.csproj Core.Inventory.Domain/
+COPY Core.Inventory.Provider/Core.Inventory.Provider.csproj Core.Inventory.Provider/
+
+# Restaura usando nuget.config
+RUN dotnet restore Core.Inventory.DAL.API/Core.Inventory.DAL.API.csproj --configfile ./nuget.config
+
+# Copia el resto del código
+COPY . .
+
+# Publica artefactos listos para runtime
+RUN dotnet publish Core.Inventory.DAL.API/Core.Inventory.DAL.API.csproj \
+    -c Release -o /app/out /p:UseAppHost=false
+
+# ===== Runtime stage =====
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS runtime
+WORKDIR /app
+COPY --from=build /app/out .
+
+# Configuración básica
+ENV ASPNETCORE_URLS=http://+:8080
+EXPOSE 8080
+
+ENTRYPOINT ["dotnet", "Core.Inventory.DAL.API.dll"]