.gitlab-ci.yml

stages:
    - build
    - deploy

build-dev:
    stage: build
    only:
        - dev
    tags:
        - dev-my-app-backend
    #when: manual
    script:
        - docker build --rm -t my_app_backend:$CI_PIPELINE_IID .
        - docker tag my_app_backend:$CI_PIPELINE_IID my_app_backend:latest

deploy-dev:
    stage: deploy
    only:
        - dev
    tags:
        - dev-my-app-backend
    #when: manual
    script:
        - docker service update --with-registry-auth --image my_app_backend:$CI_PIPELINE_IID my_app_backend
        - docker ps | grep my_app_backend | awk '{print $12}' > export.txt

Docker Compose YAML

version: '3.8'

services:
 
    php:
      build: 
         context: .
      environment:
         - APP_ENV=${APP_ENV}
         - CONTAINER_ROLE=app
         - DB_HOST=database 

      working_dir: /var/www
      volumes:
         - ./:/var/www/html:rw
      ports:
         - 8080:80
      depends_on:
         - database              
      networks:
         - appnetwork

    database: 
      image: mysql
      container_name: mysql
      hostname: database
      ports: 
       - "330:3306"
      volumes:
       - ./mysql/data:/var/lib/mysql
      environment:
       - MYSQL_DATABASE=#db
       - MYSQL_USER=jafar
       - MYSQL_PASSWORD=2606
       - MYSQL_ROOT_PASSWORD=2606
      networks:
         - appnetwork
       
       
    phpmyadmin:
      image: phpmyadmin/phpmyadmin
      container_name: phpmyadmin
      environment:
       - PMA_HOST=database
       - PMA_PORT=3306
      ports:
       - "3400:80"
      depends_on:
       - database
      networks:
         - appnetwork

networks:
  appnetwork:
    driver: bridge

DockerFile

FROM php:8.2-apache

# 1. Install development packages and clean up apt cache.
RUN apt-get update && apt-get install -y \
    curl \
    g++ \
    git \
	libonig-dev \
    libbz2-dev \
    libfreetype6-dev \
    libicu-dev \
    libjpeg-dev \
    libmcrypt-dev \
    libpng-dev \
    libreadline-dev \
    sudo \
    unzip \
    zip \
 && rm -rf /var/lib/apt/lists/*

# 2. Apache configs + document root.
RUN echo "ServerName laravel-app.local" >> /etc/apache2/apache2.conf

ENV APACHE_DOCUMENT_ROOT=/var/www/html
RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

# 3. mod_rewrite for URL rewrite and mod_headers for .htaccess extra headers like Access-Control-Allow-Origin-
RUN a2enmod rewrite headers

# 4. Start with base PHP config, then add extensions.
RUN mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"

RUN docker-php-ext-install \
    bcmath \
    bz2 \
    calendar \
    iconv \
    intl \
    mbstring \
    opcache \
    pdo \
    pdo_mysql 

RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

RUN composer install
RUN php artisan key:generate

WORKDIR /var/www/html 
EXPOSE 80
EXPOSE 443

entrypoint.sh

if [ ! -f "vendor/autoload.php" ]; then
    composer install --no-progress --no-interaction
fi

if [ ! -f ".env" ]; then
    echo "Creating env file for env $APP_ENV"
    cp .env.example .env
else
    echo "env file exists."
fi

role=${CONTAINER_ROLE:-app}

if [ "$role" = "app" ]; then
    php artisan migrate
    php artisan key:generate
    php artisan cache:clear
    php artisan config:clear
    php artisan route:clear
    php artisan db:seed
    php artisan serve --port=$PORT --host=0.0.0.0 --env=.env
    exec docker-php-entrypoint "$@"