Reduce docker layers, rename the Dockerfile in prep for move to Ubuntu

docker/Dockerfile.bookworm

@@ -1,32 +0,0 @@
-FROM debian:bookworm
-ARG DEBIAN_FRONTEND=noninteractive
-ARG VPP_INSTALL_SKIP_SYSCTL=true
-ARG REPO=release
-EXPOSE 22/tcp
-RUN apt-get update && apt-get -y install curl procps tcpdump iproute2 iptables \
-  iputils-ping net-tools git python3 python3-pip vim-tiny openssh-server bird2 \
-  mtr-tiny traceroute && apt-get clean
-
-# Install VPP
-RUN mkdir -p /var/log/vpp /root/.ssh/
-RUN curl -s https://packagecloud.io/install/repositories/fdio/${REPO}/script.deb.sh |  bash
-RUN apt-get update && apt-get -y install vpp vpp-plugin-core && apt-get clean
-
-# Build vppcfg
-RUN pip install --break-system-packages build netaddr yamale argparse pyyaml ipaddress
-RUN git clone https://git.ipng.ch/ipng/vppcfg.git && cd vppcfg && python3 -m build && \
-    pip install --break-system-packages dist/vppcfg-*-py3-none-any.whl
-
-# Install FRR
-RUN curl -s -o /usr/share/keyrings/frrouting.gpg https://deb.frrouting.org/frr/keys.gpg && \
-   echo deb '[signed-by=/usr/share/keyrings/frrouting.gpg]' https://deb.frrouting.org/frr bookworm frr-stable \
-        > /etc/apt/sources.list.d/frr.list && \
-   apt -y update && apt -y install frr frr-pythontools && apt clean
-
-# Config files
-COPY files/etc/vpp/* /etc/vpp/
-COPY files/etc/bird/* /etc/bird/
-COPY files/etc/frr/* /etc/frr/
-COPY files/init-container.sh /sbin/
-RUN chmod 755 /sbin/init-container.sh
-CMD ["/sbin/init-container.sh"]