version: '3'

services:
  database:
    image: postgres:12.1
    environment:
    - DB_HOST=localhost
    - DB_PASSWORD=admin
    - PGHOST=localhost
    - PGDATABASE=postgres
    - PGPASSWORD=admin
    - PGUSER=postgres
    - POSTGRES_PASSWORD=admin
    ports:
    - "5432:5432"
    volumes:
    - .:/app/:z

  admin:
    image: adminer
    links:
    - database
    ports:
    - "8081:8080"