feat: Dockerfile (#9392)

Add Dockerfile to the project docfx

Dockerfile

@@ -0,0 +1,20 @@
+FROM mcr.microsoft.com/dotnet/sdk:7.0-bullseye-slim
+
+# Add dotnet tools to path.
+ENV PATH="${PATH}:/root/.dotnet/tools"
+
+# Install DocFX as a dotnet tool.
+RUN dotnet tool update -g docfx && \
+    docfx --version
+
+# Install dependences for chromium PDF.
+RUN apt-get update -qq && apt-get install -y libglib2.0-0 libnss3 libnspr4 \
+    libatk1.0-0 libatk-bridge2.0-0 libcups2 libdrm2 libdbus-1-3 libxcb1 \
+    libxkbcommon0 libatspi2.0-0 libx11-6 libxcomposite1 \ 
+    libxdamage1 libxext6 libxfixes3 libxrandr2 libgbm1 \
+    libpango-1.0-0 libcairo2 libasound2
+
+WORKDIR /opt/prj
+VOLUME [ "/opt/prj" ]
+
+ENTRYPOINT [ "docfx" ]