ADDED devcontainer

.devcontainer/Dockerfile

@@ -0,0 +1,20 @@
+FROM docker:20.10-dind
+
+# Switch to Debian-based image for better .NET support
+RUN apk add --no-cache bash curl gnupg
+
+# Install .NET 8 SDK
+ENV DOTNET_VERSION=8.0
+
+RUN curl -sSL https://dotnet.microsoft.com/download/dotnet/scripts/v1/dotnet-install.sh -o dotnet-install.sh \
+    && chmod +x dotnet-install.sh \
+    && ./dotnet-install.sh --version $DOTNET_VERSION --install-dir /usr/share/dotnet \
+    && ln -s /usr/share/dotnet/dotnet /usr/bin/dotnet
+
+# Verify installation
+RUN dotnet --version
+
+# Optional: install other tools
+RUN apk add --no-cache git make vim go
+
+USER root