When I replaced the farmos-dev image with the one I just created, it got farther. The www process is now up.
However going to the website gives me a "Forbidden. You don't have permission to access this resource."

docker-compose logs:
```
www_1  | [Wed Apr 07 19:57:14.840374 2021] [autoindex:error] [pid 22] [client 192.168.86.22:57029] AH01276: Cannot serve directory /var/www/html/: No matching DirectoryIndex (index.php,index.html) found, and server-generated directory index forbidden by Options directive
www_1  | 192.168.86.22 - - [07/Apr/2021:19:57:14 +0000] "GET / HTTP/1.1" 403 495 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36"
```