docker and docker-compose laravel app

docker-compose.yml

version: "3"
services:
  laravel_app:
    container_name: "laravel_app"
    build:
      context: .
      dockerfile: Dockerfile
    restart: "always"
    environment:
      - APACHE_DOCUMENT_ROOT=/var/www/public
    volumes:
      - ./:/var/www
    ports:
      - "8900:80"
    depends_on:
      - laravel_db
    links:
      - laravel_db
  laravel_db:
    container_name: "laravel_db"
    image: mysql
    command: --default-authentication-plugin=mysql_native_password
    restart: always
    ports:
      - "3306:3306"
    volumes:
      -  ./.docker/.laravel_db:/var/lib/mysql
    environment:
      - MYSQL_RANDOM_ROOT_PASSWORD=true
      - MYSQL_DATABASE=${DB_DATABASE}
      - MYSQL_USER=${DB_USERNAME}
      - MYSQL_PASSWORD=${DB_PASSWORD}

Dockerfile

FROM composer:latest AS composer

FROM php:7.3-apache
RUN apt-get update && apt-get install -y \
        unzip \
        git \
        zip \
        nano \
        curl \
        zlib1g-dev \
        libzip-dev \
    && docker-php-ext-install -j$(nproc) zip sockets pdo pdo_mysql mysqli
COPY --from=composer /usr/bin/composer /usr/bin/composer
WORKDIR /var/www
RUN a2enmod rewrite
RUN sed -ri -e 's!/var/www/html!${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