nineskeletor/docker-compose.override.yml

version: '3'

services:
  mercure:
    ports:
      - "9090:80"    
    environment:
      SERVER_NAME: ':80'
      MERCURE_PUBLISHER_JWT_KEY: '!ChangeMe!'
      MERCURE_SUBSCRIBER_JWT_KEY: '!ChangeMe!'
      MERCURE_EXTRA_DIRECTIVES: |
        cors_origins http://192.168.0.2