tools/docker: fix debian-12

tools/docker/images/debian-12.Dockerfile

@@ -7,7 +7,7 @@ FROM debian:12 AS env
 RUN apt-get update -qq \
 && apt-get install -qq \
  git pkg-config wget make autoconf libtool zlib1g-dev gawk g++ curl subversion \
- swig lsb-release \
+ swig lsb-release libicu-dev \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 ENTRYPOINT ["/bin/bash", "-c"]
@@ -21,16 +21,11 @@ RUN ARCH=$(uname -m) \
 && rm cmake-3.28.3-linux-${ARCH}.sh
 
 # Install .Net
-# see https://docs.microsoft.com/en-us/dotnet/core/install/linux-debian#debian-11-
-RUN apt-get update -qq \
-&& apt-get install -qq gpg apt-transport-https \
-&& wget -q "https://packages.microsoft.com/config/debian/12/packages-microsoft-prod.deb" -O packages-microsoft-prod.deb \
-&& dpkg -i packages-microsoft-prod.deb \
-&& rm packages-microsoft-prod.deb \
-&& apt-get update -qq \
-&& apt-get install -qq dotnet-sdk-3.1 dotnet-sdk-6.0 \
-&& apt-get clean \
-&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+# see: https://learn.microsoft.com/en-us/dotnet/core/install/linux-scripted-manual#scripted-install
+RUN wget -q "https://dot.net/v1/dotnet-install.sh" \
+&& chmod a+x dotnet-install.sh \
+&& ./dotnet-install.sh -c 3.1 -i /usr/local/bin \
+&& ./dotnet-install.sh -c 6.0 -i /usr/local/bin
 # Trigger first run experience by running arbitrary cmd
 RUN dotnet --info
 
@@ -46,7 +41,8 @@ RUN apt-get update -qq \
 && apt-get install -qq python3 python3-dev python3-pip python3-venv \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-RUN python3 -m pip install absl-py mypy mypy-protobuf
+RUN python3 -m pip install --break-system-package \
+ absl-py mypy mypy-protobuf
 
 ENV TZ=America/Los_Angeles
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone