Add SSH and create default credentials 'root:vpp'

Dockerfile.bookworm

@@ -2,11 +2,12 @@ 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 && apt-get clean
+  iputils-ping net-tools git python3 python3-pip vim-tiny openssh-server && apt-get clean
 
 # Install VPP
-RUN mkdir -p /var/log/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