Only build for arm right now, based on php-apache images

```bash
docker run -d --name container_name \
    -v ./www:/var/www/html \
    -v ./php:/usr/local/etc/php/conf.d \
    -v ./msmpt.yaml:/etc/msmtprc \
    git.paucapo.com/server/php:8.2-apache
```