[fixpython][feat] Update to Python 3.12 / Debian Bookworm

Dockerfile

@@ -1,10 +1,9 @@
 # This is the Fix Inventory Python container. It includes CPython and is used
 # as the common base for all the other containers.
-FROM ubuntu:20.04 as build-env
+FROM python:3.12.2-bookworm as build-env
 ENV DEBIAN_FRONTEND=noninteractive
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
-ARG PYTHON_VERSION=3.11.3
 
 ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 RUN echo "I am running on ${BUILDPLATFORM}, building for ${TARGETPLATFORM}"
@@ -42,25 +41,16 @@ RUN apt-get -y install \
         cargo \
         linux-headers-generic
 
-# Download and install CPython
-WORKDIR /build/python
-RUN curl -L -o /tmp/python.tar.gz  https://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tgz
-RUN tar xzvf /tmp/python.tar.gz --strip-components=1 -C /build/python
-RUN ./configure --enable-optimizations --prefix /usr/local/python
-RUN make -j 12
-RUN make install
-RUN /usr/local/python/bin/python3 -m ensurepip
-
 # Create CPython venv
 WORKDIR /usr/local
-RUN /usr/local/python/bin/python3 -m venv fix-venv-python3
+RUN python3 -m venv fix-venv-python3
 
 # Download and install Python test tools
 RUN . /usr/local/fix-venv-python3/bin/activate && python -m pip install -U pip wheel tox flake8
 
 
 # Setup main image
-FROM ubuntu:20.04
+FROM python:3.12.2-bookworm
 ENV DEBIAN_FRONTEND=noninteractive
 ENV LANG="en_US.UTF-8"
 COPY --from=build-env /usr/local /usr/local
@@ -99,7 +89,7 @@ RUN apt-get update \
         linux-headers-generic \
         dumb-init \
         iproute2 \
-        libffi7 \
+        libffi8 \
         openssl \
         procps \
         dateutils \