fully wire up temporal. add startup script test to ensure temporal is running

ext/central-controller-docker/Dockerfile.builder

@@ -21,6 +21,6 @@ RUN apt -y install \
     curl \
     google-perftools \
     libgoogle-perftools-dev \
-    protobuf-compiler
+    protobuf-compiler 
 
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y

ext/central-controller-docker/Dockerfile.run_base

@@ -3,6 +3,7 @@ FROM ubuntu:jammy
 RUN apt update && apt upgrade -y
 
 RUN apt -y install \
+    netcat \
     postgresql-client \
     postgresql-client-common \
     libjemalloc2 \
@@ -11,5 +12,4 @@ RUN apt -y install \
     binutils \
     linux-tools-gke \
     perf-tools-unstable \
-    google-perftools \
-    netcat
+    google-perftools 

ext/central-controller-docker/main.sh

@@ -101,7 +101,7 @@ else
 fi
 
 echo "Waiting for temporal"
-while ! nc -z ${ZT_TEMPORAL_HOST} ${ZTC_TEMPORAL_PORT}; do
+while ! nc -z ${ZT_TEMPORAL_HOST} ${ZT_TEMPORAL_PORT}; do
     echo "waiting...";
     sleep 1;
 done