docker-compose.yml

version: "2"
services:
  pg_red:
     hostname: pg_red
     build: ./master
     ports:
         - "5445:5432"
     volumes:
         #- pg_red_data:/var/lib/postgresql/data
         - shared_opt:/opt/pg_cluster
     environment:
         - POSTGRES_USER=wiwwo
         - POSTGRES_PASSWORD=wiwwo123
         - POSTGRES_DB=postgres
         - PG_REP_USER=rep
         - PG_REP_PASSWORD=wiwwo123
         - WHOISTHIS=pg_red
     networks:
           - bridge-docker
     restart: always
  pg_green:
     hostname: pg_green
     build: ./slave
     depends_on:
         - pg_red
     ports:
         - "5446:5432"
     volumes:
         #- pg_green_data:/var/lib/postgresql/data
         - shared_opt:/opt/pg_cluster
     environment:
         - POSTGRES_USER=wiwwo
         - POSTGRES_PASSWORD=wiwwo123
         - POSTGRES_DB=postgres
         - PG_REP_USER=rep
         - PG_REP_PASSWORD=wiwwo123
         - WHOISTHIS=pg_green
     networks:
            - bridge-docker
     restart: always
  pg_blue:
     hostname: pg_blue
     build: ./slave
     depends_on:
         - pg_red
     ports:
         - "5447:5432"
     volumes:
         #- pg_blue_data:/var/lib/postgresql/data
         - shared_opt:/opt/pg_cluster
     environment:
         - POSTGRES_USER=wiwwo
         - POSTGRES_PASSWORD=wiwwo123
         - POSTGRES_DB=postgres
         - PG_REP_USER=rep
         - PG_REP_PASSWORD=wiwwo123
         - WHOISTHIS=pg_blue
     networks:
            - bridge-docker
     restart: always
volumes:
  #pg_red_data:
  #pg_green_data:
  #pg_blue_data:
  shared_opt:
networks:
  bridge-docker: