version: '3.8'
services:
  db:
    image: postgres
    restart: always
    environment:
      POSTGRES_USER: myuser
      POSTGRES_PASSWORD: mypassword
      POSTGRES_DB: mydb
    ports:
      - "5432:5432"
    volumes:
      - db_data:/var/lib/postgresql/data

  pgadmin:
    image: dpage/pgadmin4
    restart: always
    environment:
      PGADMIN_DEFAULT_EMAIL: admin@admin.com
      PGADMIN_DEFAULT_PASSWORD: root
    ports:
      - "8080:80"
    volumes:
      - pgadmin_data:/var/lib/pgadmin
    depends_on:
      - db

volumes:
  db_data:
  pgadmin_data: