Laravel 8 + PHP 8.0 in Docker

.env

DB_CONNECTION=mysql
DB_HOST=host.docker.internal
DB_PORT=33060
DB_DATABASE=mydb
DB_USERNAME=root
DB_PASSWORD=password

docker-compose.yml

version: '3.8'

services:
    main:
        build:
            context: .
            dockerfile: Dockerfile
        command: 'php artisan serve --host=0.0.0.0'
        volumes:
            - .:/app
        ports:
            - 8000:8000
        depends_on:
            - db

    db:
        image: mysql
        ports:
            - 33060:3306
        environment:
            MYSQL_ROOT_PASSWORD: password
            MYSQL_DATABASE: realestate

Dockerfile

FROM php:8.0-fpm-alpine

RUN apk add --no-cache zip libzip-dev

RUN docker-php-ext-install pdo pdo_mysql sockets exif zip
RUN curl -sS https://getcomposer.org/installer | php -- \
     --install-dir=/usr/local/bin --filename=composer

COPY --from=composer:latest /usr/bin/composer /usr/bin/composer

WORKDIR /app
COPY . .
RUN composer install