docker-compose.yml

version: "2"
services:
  pg1:
    container_name: pg1
    image: postgres
  pgcheck1:
    image: camptocamp/pgcheck
    container_name: pgcheck1
    network_mode: "container:pg1"
    restart: always
  pg2:
    container_name: pg2
    image: postgres
    restart: always
  pgcheck2:
    image: camptocamp/pgcheck
    container_name: pgcheck2
    network_mode: "container:pg2"
    restart: always
  pg3:
    container_name: pg3
    image: postgres
    restart: always
  pgcheck3:
    image: camptocamp/pgcheck
    container_name: pgcheck3
    network_mode: "container:pg3"
    restart: always