[Cluster Plan]

1. 3 x Zookeeper 
2. 3 x Patroni + PgSQL (11)
3. 1 x Haproxy

[Ports]
1. 7000 - Haproxy Statistic
2. 65432 - Postgresql to master

[Make]
1. Dockerfile for run patroni
2. Dockerfile for run Haproxy