Docker environment taking a long time to load data on LAMP app

General
1

Our site uses PHP and codeigniter 3 and mysql.

We have created an environment as follows:
Dockerfile

FROM php:8.0-apache
# installs mysqli
RUN docker-php-ext-install mysqli
# enables mod_rewrite
RUN a2enmod rewrite 
# enables mod_headers
RUN a2enmod headers

RUN docker-php-ext-install opcache

Docker Compose:

version: '3.8'

services:
  php:
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - 80:80
    volumes:
      - orbitsVolume:/var/www/html/

volumes:
  orbitsVolume:

We have tried every solution we could find online or from docker support and still our web pages take 10+ seconds to load. Any help would be appreciated.