set wal_level to replica, hot_standby is deprecated

Author: taoxuau

db/pg.master.setup.sh

@@ -6,7 +6,7 @@ echo "host replication all 0.0.0.0/0 md5" >>"$PGDATA/pg_hba.conf"
 
 # postgresql.conf
 cat >>${PGDATA}/postgresql.conf <<EOF
-wal_level = hot_standby
+wal_level = replica
 archive_mode = on
 archive_command = 'cd .'
 max_wal_senders = 8
@@ -17,4 +17,4 @@ EOF
 # create replication user
 psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
   CREATE USER $PG_MASTER_REP_USER REPLICATION LOGIN CONNECTION LIMIT 100 ENCRYPTED PASSWORD '$PG_MASTER_REP_PASS';
-EOSQL
+EOSQL

db/pg.standby.setup.sh

@@ -26,14 +26,11 @@ while ! pg_basebackup -h ${PG_MASTER_HOST} -D ${PGDATA} -U ${PG_MASTER_REP_USER}
   sleep 0.1
 done
 
-# postgresql.conf
-sed -i 's/wal_level = hot_standby/wal_level = replica/g' ${PGDATA}/postgresql.conf
-
 # recovery.conf
 cat >${PGDATA}/recovery.conf <<EOF
 standby_mode = 'on'
 primary_conninfo = 'host=$PG_MASTER_HOST port=$PG_MASTER_PORT user=$PG_MASTER_REP_USER password=$PG_MASTER_REP_PASS'
-recovery_target_timeline='latest'
+recovery_target_timeline = 'latest'
 trigger_file = '/tmp/touch_me_to_promote_me_to_postgres_master'
 EOF