postgres replicated

psql.yml

psql-master:
  image: 'sameersbn/postgresql:9.4-4'
  deployment_strategy: emptiest_node
  environment:
    - DB_NAME=gitlabhq_production
    - DB_PASS=password
    - DB_USER=gitlab
    - PSQL_MODE=replicator 
    - PSQL_TRUST_LOCALNET=true
    - REPLICATION_USER=replicator
    - REPLICATION_PASS=replicatorpass
    - 
  tags:
    - production
    - ops
    - db
  volumes:
    - /opt/postgresql/data:/var/lib/postgresql
psql-slave:
  image: 'sameersbn/postgresql:9.4-4'
  deployment_strategy: high_availability
  environment:
    - DB_NAME=gitlabhq_production
    - DB_PASS=password
    - DB_USER=gitlab
    - PSQL_MODE=slave
    - PSQL_TRUST_LOCALNET=true 
    - REPLICATION_HOST=psql-master
    - REPLICATION_USER=replicator
    - REPLICATION_PASS=replicatorpass
    - REPLICATION_PORT=5432
  links:
    - psql-master
  tags:
    - production
    - ops
    - db-slave
  volumes:
    - /opt/postgresql/data:/var/lib/postgresql