Basic docker-compose.yml file for mariadb and redis

docker-compose.yml

version: "3.9"
services:
  db:
    restart: always
    image: mariadb
    container_name: mariadb
    ports:
      - "3307:3306"
    volumes:
      - ./db/:/var/lib/mysql
    environment:
      - MARIADB_ROOT_PASSWORD=secret
  redis:
    container_name: redis
    restart: always
    image: redis:alpine
    volumes:
      - ./redis:/data
    ports:
      - "6380:6379"