docker-compose.yml

version: "3"

services:
  web:
    build: ./web
    restart: unless-stopped
    expose: 
      - "8080"
    environment: 
      DB_PROTOCOL: mariadb
      DB_HOST: db:3306
      DB_USERNAME: $DB_USERNAME
      DB_PASSWORD: $DB_PASSWORD
      DB_NAME: $DB_NAME
      FLASK_SECRET_KEY: $FLASK_SECRET_KEY
      RP_ID: $RP_ID
      RP_NAME: $RP_NAME
      ORIGIN: $ORIGIN
  
  db:
    image: mariadb
    restart: unless-stopped
    expose:
      - "3306"
    environment:
      MYSQL_ROOT_PASSWORD: $DB_ROOT_PASSWORD
      MYSQL_DATABASE: $DB_NAME
      MYSQL_USER: $DB_USERNAME
      MYSQL_PASSWORD: $DB_PASSWORD
    volumes:
      - db_data:/var/lib/mysql

  caddy:
    image: caddy
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
    environment:
      SITE_ADDRESS: $RP_ID
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile
      - caddy_data:/data
      - caddy_config:/config

# External volumes are persistent and must be created
# using `docker volume create [project-name]_caddy_data`
volumes:
  caddy_data:
    external: true
  caddy_config:
  db_data:
    external: true