Go in path

cd /opt/docker_admin
ls
docker-compose.yml  docker.sh  install_docker.sh  nginx  php

Add port in
“80:91”

port “80” is diplay in docker , 0.0.0.0:80->91/tcp, :::80->91/tcp
port “91” is form /opt/docker_admin/nginx/default.conf

vi docker-compose.yml

ports:
- “8080:8080”
- "8181:8181"
- “80:91”

version: "2"
services:
  nginx-groundlink:
    container_name: 'groundlink-nginx'
    image: nginx
    restart: always
    volumes:
      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
      - /var/www/bulls:/usr/share/nginx/html
      - /var/www/bulls_odds_admin/admin:/usr/share/nginx/html/admin/
    ports:
      - "8080:8080"
      - "8181:8181"
      - "80:91"
    links:
      - php-groundlink:php
    environment:
      - TZ=Asia/Seoul

  php-groundlink:
    container_name: 'groundlink-php'
    build: ./php
    restart: always
    expose:
      - "9000"
    volumes:
      - /var/www/bulls:/usr/share/nginx/html
      - /var/www/bulls_odds_admin/admin:/usr/share/nginx/html/admin/
      - ./php/php.ini:/usr/local/etc/php/php.ini
    environment:
      - TZ=Asia/Seoul

  redis-server:
    restart: always
    image: redis:4.0
    container_name: groundlink-redis
    command: /bin/bash -c 'redis-server --appendonly yes'
    sysctls:
      - net.core.somaxconn=65535
    ports:
      - "16379:6379"
    volumes:
      - /docker/redis:/data
    environment:
      - TZ=Asia/Seoul

volumes:
  redis:
    driver: local

cd /opt/docker_admin/nginx

vi default.conf

Add nginx default.conf

Last step.
You can use docker restart groundlink-nginx