start repmgrd

Dockerfile

@@ -8,5 +8,6 @@ RUN apt-get update && \
 
 COPY --chmod=666 repmgr.conf /etc/repmgr.conf
 COPY --chmod=644 --chown=postgres profile /var/lib/postgresql/.profile
+COPY --chmod=755 postgres.sh /usr/local/bin/postgres
 COPY docker-entrypoint-initdb.d/* /docker-entrypoint-initdb.d/
 

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

@@ -69,6 +69,7 @@ case "$REPMGR_NODE_ROLE" in
     echo "hot_standby           = on"           >> /var/lib/postgresql/data/postgresql.conf
     echo "max_wal_senders       = 10"           >> /var/lib/postgresql/data/postgresql.conf
     echo "max_replication_slots = 10"           >> /var/lib/postgresql/data/postgresql.conf
+    echo "shared_preload_libraries = 'repmgr'"  >> /var/lib/postgresql/data/postgresql.conf
     if [[ -n $POSTGRES_MAX_CONNECTIONS ]]; then
         echo "max_connections      = ${POSTGRES_MAX_CONNECTIONS}" >> /var/lib/postgresql/data/postgresql.conf
     fi

postgres.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+repmgrd -f /etc/repmgr.conf --pid-file /tmp/repmgrd.pid &
+
+export PATH="/usr/lib/postgresql/15/bin:${PATH}"
+
+exec "$@"

repmgr.conf

@@ -1,3 +1,8 @@
 data_directory        = '/var/lib/postgresql/data'
 use_replication_slots = on
 pg_bindir             = '/usr/lib/postgresql/15/bin/'
+failover              = automatic
+promote_command       = '/usr/bin/repmgr standby promote -f /etc/repmgr.conf --log-to-file'
+follow_command        = '/usr/bin/repmgr standby follow -f /etc/repmgr.conf --log-to-file --upstream-node-id=%n'
+primary_visibility_consensus = on
+