fix register standby

docker-entrypoint-initdb.d/00-main.sh

@@ -2,6 +2,15 @@
 
 source /usr/local/bin/docker-entrypoint.sh
 
+server_start() {
+  NOTIFY_SOCKET= \
+  PGUSER="${PGUSER:-$POSTGRES_USER}" \
+  pg_ctl -D "$PGDATA" \
+  	-o "-c listen_addresses='*' -p ${PGPORT:-5432}" \
+   	-w start
+}
+
+
 # the variable UPSTREAM indicates that a standby instance is requested, otherwise this is primary
 if [[ -z $UPSTREAM ]]; then
 
@@ -11,7 +20,6 @@ if [[ -z $UPSTREAM ]]; then
 
   docker_temp_server_stop
 
-
   # ensure required entries in configuration
   # shellcheck disable=SC2129
   # echo "archive_command       = 'cp %p ${WAL_ARCHIVE:-/wal_archive}/%f'" >> /var/lib/postgresql/data/postgresql.conf
@@ -46,12 +54,7 @@ if [[ -z $UPSTREAM ]]; then
       echo "max_connections      = ${MAX_CONNECTIONS}" >> /var/lib/postgresql/data/postgresql.conf
   fi
 
- 	set -- -c listen_addresses='*' -p "${PGPORT:-5432}"
+ 	server_start
-  NOTIFY_SOCKET= \
-  PGUSER="${PGUSER:-$POSTGRES_USER}" \
-  pg_ctl -D "$PGDATA" \
-  	-o "-c listen_addresses='*' -p ${PGPORT:-5432}" \
-  	-w start
 
   /usr/lib/postgresql/15/bin/repmgr -f /etc/repmgr.conf primary register
 
@@ -76,9 +79,11 @@ else
     echo "Upstream host not ready..."
     sleep 300
   done
+  echo "Upstream host found..."
   /usr/lib/postgresql/15/bin/repmgr -h pg-0 -U repmgr -f /etc/repmgr.conf standby clone
+
+  server_start
+
   /usr/lib/postgresql/15/bin/repmgr -f /etc/repmgr.conf standby register
 
-  docker_temp_server_start
-
 fi