docker-compose.yml

version: '2'
services:
  psql:
    image: postgres:alpine
    ports:
      - "5432:5432"

    environment:
      - POSTGRES_PASSWORD=123qwe
    volumes:
      - psql_data:/var/lib/postgresql/data

  admin:
    image: dpage/pgadmin4

    ports:
      - "8080:80"

    links:
      - "psql"

    environment:
      - PGADMIN_DEFAULT_EMAIL=dummy@email.com
      - PGADMIN_DEFAULT_PASSWORD=123qwe

volumes:
  psql_data: