stack.yml

# docker stack deploy -c stack.yml postgres
# docker stack ps postgres --no-trunc

version: "3.7"
services:
  postgres:
    image: postgres:11.4
    environment:
      POSTGRES_USER: masteruser
      POSTGRES_PASSWORD: 5up3r53cr3tPa55w0rd
      POSTGRES_DB: pagila
    ports:
      - "5432:5432/tcp"
    networks:
      - demo-net
    deploy:
      restart_policy:
        condition: on-failure
  adminer:
    image: adminer:latest
    ports:
      - "8180:8080/tcp"
    networks:
      - demo-net
    deploy:
      restart_policy:
        condition: on-failure
  pgadmin:
    image: dpage/pgadmin4:latest
    environment:
      PGADMIN_DEFAULT_EMAIL: user@domain.com
      PGADMIN_DEFAULT_PASSWORD: SuperSecret
    ports:
      - "81:80/tcp"
    networks:
      - demo-net
    deploy:
      restart_policy:
        condition: on-failure

networks:
  demo-net: