[Feature] Custom published port for nginx

[biblia19]

Description of the feature you are requesting: User can easily to change published port with .env file Maybe duplicate with [Feature] Specify ports for all services in the .env file

Describe the solution you'd like

.env

...
# Bottom of the file
# Custom Port Configuration
NGINX_PORT=18082 # (or whatever you want)

docker-compose.yml

version: "3.9"

services:
...
  nginx:
    ...
    ports:
      - ${NGINX_PORT:-8082}:80

Additional context User can check the port with docker compose config | grep published