Re-add temporary symlink (#2331)

Co-authored-by: Rory de Zoete <rdezoete@RorysMacStudio.fritz.box>

Dockerfile.compute-node

@@ -88,6 +88,9 @@ RUN echo "deb http://ftp.debian.org/debian testing main" >> /etc/apt/sources.lis
     apt install -y --no-install-recommends -t testing binutils && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
+# "temporary" symlink for compatibility with old control-plane
+RUN ln -s /usr/local/bin/compute_ctl /usr/local/bin/zenith_ctl
+
 ENV PATH=/usr/local/pgsql/bin:$PATH
 USER postgres
 ENTRYPOINT ["/usr/local/bin/compute_ctl"]