updated pg setup script with db port parameter

Author: viragtripathi

connectors/postgres/demo/setup_postgres.sh

@@ -1,30 +1,35 @@
 #!/bin/bash
 
 version="$1"
-db_port=5432
+db_port="$2"
 db_name="RedisConnect"
 db_user="redisconnect"
 db_pwd="Redis@123"
-[[ -z "$version" ]] && { echo "Error: Missing docker version tag e.g. latest, 12.5"; exit 1; }
+[[ -z "$version" ]] && { echo "Error: Missing docker version tag e.g. latest, 12.7"; exit 1; }
+[[ -z "$db_port" ]] && { echo "Error: Missing database port e.g. 5432"; exit 1; }
 
+container_name="postgres-$version-$(hostname)-$db_port"
 # delete the existing postgres:$version container if it exist
-sudo docker kill postgres-$version-$(hostname);sudo docker rm postgres-$version-$(hostname);
+sudo docker kill $container_name;sudo docker rm $container_name;
 
-echo "Creating postgres-$version-$(hostname) docker container."
-sudo docker run --name postgres-$version-$(hostname) \
+echo "Creating $container_name docker container."
+sudo docker run --name $container_name \
 	-e POSTGRES_DB=$db_name \
 	-e POSTGRES_USER=$db_user \
 	-e POSTGRES_PASSWORD=$db_pwd \
 	-p $db_port:5432 \
 	-d postgres:$version \
 	-c wal_level=logical \
-	-c max_wal_senders=1 \
-	-c max_replication_slots=1
+	-c max_wal_senders=10 \
+	-c max_replication_slots=10 \
+	-c track_commit_timestamp=on
+	#-c wal_receiver_timeout=300s \
+	#-c wal_sender_timeout=0
 
 sleep 30s
 
 echo "Creating RedisConnect database and emp table."
 #run the setup script to create the DB and the table in the DB
-sudo docker cp postgres_cdc.sql postgres-$version-$(hostname):postgres_cdc.sql
-sudo docker exec -it postgres-$version-$(hostname) bash -c 'psql -U"$POSTGRES_USER" -d"$POSTGRES_DB" < postgres_cdc.sql'
+sudo docker cp postgres_cdc.sql $container_name:postgres_cdc.sql
+sudo docker exec -it $container_name bash -c 'psql -U"$POSTGRES_USER" -d"$POSTGRES_DB" < postgres_cdc.sql'
 echo ""