version: '3.8'

services:
  db:
    image: mariadb:latest
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: rootpassword
      MYSQL_DATABASE: app_db
      MYSQL_USER: app_user
    ports:
      - "3306:3306"
    volumes:
      - db_data:/var/lib/mysql

  web:
    image: nginx:latest
    restart: always
    ports:
      - "80:80"
    volumes:
      - ./web_app:/usr/share/nginx/html
    depends_on:
      - db

volumes:
  db_data: