---
version: "3"

services:
  homeassistant_instance:
    image: homeassistant/home-assistant:2021.2.3
    container_name: homeassistant_instance
    hostname: homeassistant_instance
    restart: always
    depends_on:
      - homeassistant_db

    volumes:
      - /etc/localtime:/etc/localtime:ro
      - ./etc/config:/config

    ports:
      - "8123:8123"
  homeassistant_db:
    image: mariadb:10.5
    container_name: homeassistant_db

    hostname: homeassistant_db
    restart: unless-stopped

    env_file:
      - ./.env-homeassistant_db
    ports:
      - "3306:3306"

    volumes:
      - ./etc/homeassistant_db/data:/var/lib/mysql
...