Caddy multinetworking configuration

Caddyfile

{
  email [email protected]
}

bolt.washopilot.duckdns.org {
  reverse_proxy bolt-cms-site:80
}

wp1.washopilot.duckdns.org {
  reverse_proxy wordpress-1:80
}

wp2.washopilot.duckdns.org {
  reverse_proxy wordpress-2:80
}

docker-compose-wordpress.yml

version: '3'

services:
    wordpress1:
        image: wordpress:php8.3-apache
        container_name: wordpress-1
        restart: always
        environment:
            WORDPRESS_DB_HOST: db
            WORDPRESS_DB_USER: wpuser
            WORDPRESS_DB_PASSWORD: wppassword
            WORDPRESS_DB_NAME: wpdb
            WORDPRESS_TABLE_PREFIX: wp1_
        volumes:
            - wordpress1_data:/var/www/html
        networks:
            - proxy-net-external
            - internal1

    wordpress2:
        image: wordpress:php8.3-apache
        container_name: wordpress-2
        restart: always
        environment:
            WORDPRESS_DB_HOST: db
            WORDPRESS_DB_USER: wpuser
            WORDPRESS_DB_PASSWORD: wppassword
            WORDPRESS_DB_NAME: wpdb
            WORDPRESS_TABLE_PREFIX: wp2_
        volumes:
            - wordpress2_data:/var/www/html
        networks:
            - proxy-net-external
            - internal2

    db:
        image: mysql:latest
        container_name: wordpress-db
        restart: always
        environment:
            MYSQL_ROOT_PASSWORD: wppassword
            MYSQL_DATABASE: wpdb
            MYSQL_USER: wpuser
            MYSQL_PASSWORD: wppassword
        volumes:
            - wordpress_db_data:/var/lib/mysql
        networks:
            - internal1
            - internal2

#    phpmyadmin:
#        image: phpmyadmin/phpmyadmin
#        container_name: wordpress-phpmyadmin
#        restart: always
#        environment:
#            PMA_HOST: db
#            MYSQL_ROOT_PASSWORD: wppassword
#        networks:
#            - internal1
#            - internal2
#            - proxy-net-external

networks:
    internal1:
        driver: bridge
    internal2:
        driver: bridge
    proxy-net-external:
        external: true

volumes:
    wordpress1_data:
    wordpress2_data:
    wordpress_db_data:

docker-compose.yml

services:
  caddy:
    image: caddy:latest
    container_name: caddy-proxy
    restart: always
    ports:
      - "80:80"
      - "443:443"
      - "443:443/udp"
    volumes:
      - ./Caddyfile:/etc/caddy/Caddyfile
      - caddy_data:/data
      - caddy_config:/config
    networks:
      - proxy

networks:
  proxy:
    name: proxy-net-external
    external: false

volumes:
  caddy_data:
  caddy_config: