Client IP addresses not showing as 192.168.1.x but instead an internal Docker IP

[Bucking_Horn]

@lukeeexd

The container can't start because it's saying port 80 and 443 are already in use..

Yes, you said so before.
It doesn't start because:

@Bucking_Horn

(…) you are not running your container in host mode.

Replace:

@lukeeexd

    ports:
      - "53:53/tcp"
      - "53:53/udp"
      - "80:80/tcp"
      - "443:443/tcp"

with:

    network_mode: host

Even if the container is not listed by ps, there should at least be a Pi-hole image.

EDIT: I see your second share now contains the image.