docker-images/docker/postfix/docker-compose.1.yml

version: "3"

services:
  db:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: notSecureChangeMe
      MYSQL_DATABASE: postfixadmin
      MYSQL_USER: postfixadmin
      MYSQL_PASSWORD: example

  postfixadmin:
    depends_on:
      - db
    image: postfixadmin
    ports:
      - 8000:80
    restart: always
    environment:
      POSTFIXADMIN_DB_TYPE: mysqli
      POSTFIXADMIN_DB_HOST: db
      POSTFIXADMIN_DB_USER: postfixadmin
      POSTFIXADMIN_DB_NAME: postfixadmin
      POSTFIXADMIN_DB_PASSWORD: example