This installs Ubuntu 18.04 running an Apache Web Server.

Build with:

docker build -t apache .

To map the current directory to the Apache web server run with:

docker-compose up

Connect to:

http://127.0.0.1:8080

If you're using this with Palo Alto Firewall External Dynamic Lists, connect to

http://w.x.y.z:8080
(where w.x.y.z is your External/Ethernet IP address)

and be sure to associate the EDL with a Security Policy Rule for the EDL to populate entries.