start pgadmin4 5.1 in docker

docker-compose.yml

version: '3.1'
services:
  pgadmin4:
    image: dpage/pgadmin4:5.1
    ports:
      - 8081:80
    restart: always
    environment:
      PGADMIN_DEFAULT_EMAIL: {email}
      PGADMIN_DEFAULT_PASSWORD: {password}